- Audi R8 V12 TDI Le Mans 500 Hp

Remember the V12 diesel-powered Audi R8 concept we saw a couple of months ago? Well even if you don’t, Audi will remind you as the German luxury carmaker will present a slightly modified version of its diesel-study called R8 TDI Le Mans in Geneva today. Slightly modified translates to a Brilliant Red bodywork, and well, that’s about it. As with the Detroit Show concept, the R8 TDI Le Mans is powered by a twin-turbocharged V12 diesel engine that generates 500 Hp and a maximum torque figure of 1,000 Nm (737.56 lb-ft). It sprints from zero to 100 km/h (62 mph) in 4.2 seconds and its top speed is over 300 km/h or 186 mph.

PRESS RELEASE

Audi R8 TDI Le Mans

Audi is presenting a revolution in the top class – the first 12-cylinder diesel engine in a high-performance roadgoing sports car. The V12 TDI with a displacement of six liters powers a concept car based on the Audi R8. This unit generates a huge 500 hp and 1,000 Newton-meters (737.56 lb-ft) of torque. Audi is writing a new chapter in diesel technology with this power unit. Equipped with the expertise that Audi has built up through its motor sport activities, the R8 TDI Le Mans in Brilliant Red embodies superb road handling, pioneering technology and fascinating design.

The V12 TDI is closely related to the engine in the Audi R10, the two-time Le Mans winner – so it catapults the Audi R8 into supercar terrain concerning performance too. It sprints from zero to 100 km/h (62.14 mph) in just 4.2 seconds and its top speed is well over 300 km/h (186.41 mph). The peak torque, reached at only 1,750 rpm, paves the way for effortless acceleration that is unrivaled even at this level.

The new V12 TDI belongs to Audi's family of V engines but has the ideal included angle for this engine type of 60 degrees between cylinder banks. Its highlights include the new chain drive layout that includes the two newly developed high-pressure pumps for the common rail injection system.

Its sound is as thrilling as you'd expect in a sports car of this caliber. For all the subtle smoothness that typifies this design principle, the twelve-cylinder unit is full-bodied and equipped with energetic overtones that make no secret of its performance potential.

The Genes of the Winner

Thanks to their high performance and pulling power, all Audi TDI engines are ultra-dynamic sources of power. The brand has often enough demonstrated its sporty character in its production cars, especially the six- and eight-cylinder 3.0 TDI and 4.2 TDI. Audi has also been writing a new chapter in its success story on the racetrack since 2006. The diesel engine in the R10 sports prototype won its very first endurance race at Sebring, Florida, when it was pitted against an entire field of gasoline-engined challengers. But its most crucial victories were surely in 2006 and 2007 in the 24 Hours of Le Mans, when it simply outclassed the international elite.

The V12 TDI race engine in the R10 produces over 650 hp from a displacement of 5.5 liters, giving it the potential for a top speed as high as 330 km/h (205.05 mph) depending on the gear ratios. Its power and sturdiness immediately impressed both fans and experts, who were impressed by its restrained noise level. Unusual for a race engine, this powerful Audi diesel makes barely more than a whisper.

Long traditions of motor racing and production technology complement each other at Audi. The FSI engine of the R10's predecessor, the R8, captured five wins at Le Mans with a direct gasoline injection system. Audi is also looking to maximize the advantage by using the race-tested FSI principle in its production models. The latest examples of this are the V8 with high-revving concept in the RS 4 and the production version of the Audi R8.

The Drivetrain

The roadgoing version of the new V12 TDI is built at the Györ plant, in Hungary. And the R8 TDI Le Mans still has a massive 500 hp on tap. In developing the six-liter engine, it was a clear priority to integrate it into the current family of Audi V engines, of which many thousands of versions with 6, 8 and 10 cylinders have already been built – both gasoline and TDI.

Audi's engineers were in an ideal position to use their experience building the racing engine to develop the road version. Like the other power units in this range, the distance between cylinder bore axes on the V12 TDI is 90 mm (3.54 in.). Yet its included angle is 60 degrees, not 90 degrees. This means no free inertial forces or mass moments of inertia can occur with the V12. The results are refined in every respect.

The 83.0 mm (3.27 in.) bore and 91.4 mm (3.60 in.) stroke produce a total displacement of 5,934 cc – just like the 3.0 TDI. At only 684 mm (26.93 in.) long, this large diesel engine is very compact and just 166 mm (6.54 in.) longer than the V8 TDI. This compact length is key to accommodating the V12 in the mid-engined Audi R8.

The V12 TDI crankcase is made from gray cast iron with vermicular graphite – a high-tech material referred to as GJV-450 that is already used on the V6 and V8 TDI engines. GJV-450, made by a patented casting process, is about 40 percent more rigid and 100 percent more fatigue-resistant than gray cast iron. This enabled the developers to make its walls thinner, cutting its weight by around 15 percent compared with conventional gray cast iron.

The two cylinder heads are each made from three main elements. These are a base section made from a high-strength aluminum alloy incorporating the intake and exhaust ports, an oil-bearing upper section, and a reinforcing ladder frame supporting the two camshafts.

The valves are actuated by low-friction roller cam followers; the compression ratio is 16.0:1. Map-controlled swirl variation of the combustion air has been adopted from the V6 and V8 TDI engines. This produces permanently optimized swirl concerning both emissions and high performance.

Ultramodern Injection Technology

As is the case in the Audi V engines, the no-maintenance chain drive is mounted at the back of the engine, where it occupies little space. Its layout has changed on the new V12 TDI. The camshafts' sprocket engages in an intermediate gear via which two Simplex chains drive the camshafts. Two more chains drive the oil pump and the two high-pressure pumps actuate the common rail injection system.

The two new dual-piston high-pressure pumps form part of the common rail injection system supplied by specialty manufacturer Bosch. The two pumps build up a pressure of up to 2,000 bar in the rails. The piezo injectors with eight-hole nozzles have also been fundamentally revised.

The high pressure distributes the mixture optimally throughout the combustion chamber. The result is that the ignition process is faster, more homogeneous and more acoustically refined. The more efficient combustion process also increases power output, cuts consumption and reduces pollutant emissions.

The current generation of so-called inline injectors makes effective use of the piezo effect: piezo crystals expand in a fraction of a millisecond when an electrical voltage is applied. The number of injection processes per operating cycle can be varied across a wide range thanks to piezo technology – reaching as many as five fuel injection operations in the case of the V12 TDI.

As well as the main injection, pilot and post injections are possible. Pilot injections tone down the acoustic harshness of the combustion process. Retarded post injections are designed specifically to increase the temperature of the exhaust gas, promoting regeneration of the two standard particulate filters.

The two turbochargers are located on the outside of the engine's V, each of them supplying one bank of cylinders. Thanks to their variable turbine geometry, the full flow of exhaust gas always passes through the turbine, so the chargers respond slickly – even at low engine speeds – and operate very efficiently.

The two turbochargers, which generate up to 2.6 bar of boost pressure, play a crucial role in producing the huge torque of 1,000 Nm (737.56 lb-ft) that the V12 TDI maintains from 1,750 rpm to 3,000 rpm. In developing 368 kW (500 hp), the diesel achieves a specific output of 62.0 kW (84.3 hp) per liter displacement.

Two large intercoolers reduce the temperature of the compressed air. The V12 has a twin-pipe exhaust system with two particulate filters. The intake system is similar in structure with one air cleaner per cylinder bank, with an airflow meter behind it. Two control units, sharing the workload in a master/slave principle, manage events in the engine.

The Audi R8 TDI Le Mans already fulfills the Euro 6 emissions standard that is likely to take effect in 2014 and calls for sharply reduced nitrogen oxides. By also designing in ultra-precise fuel metering by the common rail system, Audi's engineers have made full use of current clean diesel technology.

The heart of the system is a special catalytic converter downstream of the oxidizing catalyst and the particulate filter. The second component in the system is an additional tank containing an aqueous urea solution. Small quantities of the solution, known as "AdBlue," are injected into the exhaust system. The hot exhaust gases break the solution down to form ammonia that splits the nitric oxides into nitrogen and water. The system remains effective for the entire service life of the vehicle.

The dynamic character of a sports car depends not just on its performance and torque; the transmission ratios have to be right too. In keeping with the character of a high-performance sports car with unbeatable torque potential, the transmission in the R8 TDI Le Mans has six manually operated gears.

The manual transmission is very compact in design. Together with the small-diameter double-plate clutch, this means it can be installed low down. The manual transmission has very short shift travel and utterly precise guiding of the shifter into the open gear lever gate. It is made from polished aluminum, has an agreeable feel and exquisite sports car looks.

Such a high-performance Audi also has quattro permanent all-wheel drive. In the case of this mid-engine sports car, power is distributed variably between the front and rear wheels from a starting ratio of 40:60 to optimize the handling.

The Design

The R8 TDI Le Mans with Brilliant Red bodywork looks even wider and more resolute than the core model. It shows its potential through its muscular proportions, accentuated wheel arches and even larger air apertures. The rhombus-pattern cover on the air inlets and outlets is the hallmark of Audi's sporty top models and a familiar feature of the current RS generation.

Typical of the side view of the R8 is the sideblade. Much wider in the bottom third, it visually accentuates the engine's position as well as acting as an enlarged air deflector.

The continuous aluminum spoiler lip that connects the front and rear diffusers with side air baffles below the enlarged sills also pays tribute to this version's highly developed dynamic talents.

And yet the R8 is unmistakable for its powerful, elegant basic proportions. The selective but always precise use of lines is another typical Audi characteristic, as is the curved arc of the roof. One new aspect is the glass roof of the passenger compartment with two large transparent sections. These, together with the glazed engine compartment behind, create a radically new formal element. The unmistakable NACA duct in the middle of the roof is a functional detail that is normally reserved for racing cars. Its ingenious shape accelerates the air drawn in here for the two cylinder banks of the V12 TDI engine.

The V12 TDI is displayed as the beating heart of this sports car, like a work of art inside a large showcase. Its look, underscored by the air deflectors located beneath the restyled rear glass lid, differs clearly from its production counterpart. The engine can even be seen after dark, when white light-emitting diodes illuminate the engine compartment – as on the production R8 version. This "showroom" can additionally be fully lined in genuine carbon fiber, for a particularly exclusive look.

The continuous line running from the front apron across the wheel arches and flanks to the tail end, then back down the other side, is one of the latest design hallmarks of the Audi brand. This "loop" naturally encompasses the air apertures, the headlights and the taillights.

Unmistakable Face by Day and Night

The passion expressed through the elaborate design of the lights is another typical Audi trait. Nor is anyone likely to overlook this Audi sports car from behind: the LED taillights have a three-dimensional look that can’t be missed.

But the absolute highlight is the all-LED headlights of the study vehicle. With their lenses and reflectors, not only do these innovative light sources have a ground-breaking appearance, they also have an enormous functional advantage: LED light, with its color temperature of 6,000 Kelvin, resembles daylight much more closely than xenon or even halogen light. Better light means the driver will have much less fatigue when driving at night.

Ergonomic and Elegant

The interior's design is as sporty and exclusive as the exterior: the characteristic element here is the monoposto – an expansive arc running around the steering wheel and instruments, connecting the driver to the car. The interior consequently picks up on the dynamism of the R8 TDI Le Mans and gives it tactile expression in a form that is accessible the moment you climb in.

The three-spoke sport steering wheel of course remains the focal point of the car's controls. With a diameter of 365 mm (14.37 in.), it is both sportily compact and ergonomic in shape. The steering wheel rim has a flat lower edge. This is a further aspect of the auto racing feel in the Audi R8 TDI Le Mans, but one that also brings major functional benefits, facilitating entry and exit for the driver. The steering wheel is covered in fine Valcona leather, with a diecast magnesium core providing strength.

The start/stop button for the engine and the Drive Select switch with the Dynamic/ Sport/Race settings are arranged on the steering wheel. The latter controls the engine and transmission electronics as well as the magnetic ride dampeners in each of three different modes.

In Race mode, the instrument lighting changes from white to red. The navigation system shows a combined display with lap timer and navigation information for the racetrack being driven. Or supplementary information such as centrifugal force and boost pressure can be called up.

Concentrating on the essentials was the priority in the ergonomic arrangement of all Audi R8 versions. The most important consideration – particularly for high-speed driving – is short reach distances for all controls, to keep the time that the driver has only one hand on the steering wheel to a bare minimum. In typical Audi style the monitor is well within the field of view, and the elements of the MMI operating system are located directly below it.

Compared with the production version, the R8 TDI Le Mans’s interior has much larger aluminum applications, especially around the center console. The many carbon fiber elements give the interior a decidedly sporty feel.

The R8's exceptional everyday practicality for a sports car is maintained in the study vehicle's spaciousness, even though the longer engine takes up more room. The two occupants have the generous wheelbase of 2.65 meters (8.69 ft.) to thank for the interior comfort. This means the driver and passenger will always be able to find their perfect seated position, whatever their build. The view is also very good for a mid-engine vehicle. Narrow A-posts optimize the field of view to the front and sides.

Light but Highly Rigid Body

The body of a sports car needs to be particularly light and rigid. Low weight permits superior road performance, and rigidity is the crucial starting point for an agile driving feel allied to high precision. The Audi Space Frame body, made from aluminum, provides the ideal basis for this.

Audi has more expertise than any other manufacturer worldwide in the design and production of vehicles based on aluminum technology, and has channeled its accumulated know-how into this area.

The entire bodyshell of the study car weighs just 210 kilograms (462.97 lbs.). In ASF technology, the body's supporting structure is made of extruded aluminum sections and die-castings. Aluminum panels are incorporated into this skeleton to form a positive connection and perform a load-bearing role. Each individual component of the ASF space frame is optimized for its specific task by the use of widely differing shapes and cross-sections, combining maximum stability with minimal weight. It adds up to a car that’s particularly light and rigid, an outcome that can be felt in the R8’s ultra-precise driving feel.

The aerodynamics experts at Audi have done their work so thoroughly on the study car that, as an added benefit of its elegant shape, the body actually generates downforce – unlike many other sports cars. This aids directional stability at high speeds. It is achieved partly by means of an extending rear spoiler that is much larger than on the production version, and also thanks to the fully clad diffuser underbody.

Two large-format diffuser apertures in the rear bumper demonstrate just how much aerodynamics dictate the shape of the study vehicle. The tailpipes of the exhaust system are located in pairs on the right and left above the diffuser apertures. The add-on, automatically extended rear spoiler also interacts with the air as it flows around the car. The extra downforce it provides increases the efficiency of the air intake generated by the aerodynamic design of the underbody and diffusers. At low speeds, the rear spoiler returns to its initial position.

Chassis

The precision chassis of the Audi R8 TDI Le Mans remains supremely in control of the sporty performance, but is capable of assuring relaxed driving pleasure over long distances too. The sports car is spontaneous and agile at obeying steering movements, always demonstrating exceptionally good driving safety. The suspension, with double wishbones at both the front and rear, is optimized for a neutral self-steering response and maximum ease of control.

The study car, too, has the innovative dampening technology known as Audi magnetic ride. This adapts the chassis characteristic to the profile of the road and the driver's style within milliseconds.

Ceramic Brakes with Extreme Reserves

A generously dimensioned brake system supplies the necessary braking force. It applies a total of 24 pistons to the four brake disks, combining excellent performance with minimal weight and high durability. The disks are made from carbon fiber reinforced ceramic, a material that has repeatedly proven its worth in the aviation and aerospace sectors. The basis is very hard, frictionally resistant silicon carbide, with its diamond-like crystalline structure. Embedded in it are high-strength carbon fibers that absorb the stresses occurring in the material. The intricate geometry of cooling ducts in the ventilated disks prevents extremely high temperatures. The ceramic brake disk ring is bolted by 10 spring-loaded elements to a stainless steel central element that acts as the connection with the wheel's hub.

The ceramic brakes are identifiable at a glance by the special red, six-piston monobloc aluminum calipers and the fixed calipers at the rear. The advantages of the ceramic brakes include a further reduction in weight of around 20 kilograms (44.09 lbs.), which in this case improves the handling characteristics and comfort. The high abrasion resistance permits an operating life of up to 300,000 kilometers (186,411 miles). Their key strength, however, is their ability to withstand very high loads. Even on the racetrack, for example, the ceramic brakes always maintain their full reserve performance.

- Audi Q7 V12 TDI quattro 500Hp

Boasted as the most powerful diesel-powered passenger vehicle in its class, the Q7 V12 TDI quattro is the production version of the homonymous concept that was previewed at the. Under the bonnet of the Q7 lurks a 6.0-liter V12 turbo diesel engine that generates 500 Hp and a monstrous 1,000 Nm or 758 lb/ft of torque. Power is transferred to all wheels via a six-speed tiptronic automatic transmission. The driver can shift gears either with the selector lever or manually with the shift paddles on the steering wheel.

The V12 diesel engine can sprint the Q7 from 0 to 100 km/h (62 mph) in 5.5 sec and to an electronically capped top speed of 250 km/h (155 mph). As for fuel consumption, the 12-cylinder Q7 requires 11.9 liters of diesel per 100 km or 19.8 mpg.

In terms of styling, the Q7 V12 TDI stands out thanks to the wider wheel arches that house new 20’’ alloys, the aluminum caps on the exterior mirrors, redesigned bumpers, darkened tail-lights and the new door moldings. Inside the most powerful Q7 features a sportier trim than includes carbon covers and aluminum details. Sales of the Audi Q7 V12 TDI will begin in the second half of 2008.

Press Release:

The Ultimate High-Performance SUV

The New Audi Q7 V12 TDI quattro

Audi is taking TDI technology to a whole new level with the Audi Q7 V12 TDI quattro, the most powerful diesel-powered passenger vehicle in its class. The V12 engine under the hood generates 368 kW (500 hp) of power and 1,000 Nm (757.56 lb-ft) of torque from six liters of displacement, enabling the big SUV to perform like a sportscar. The new Audi Q7 V12 TDI quattro represents a combination of superior power and efficient fuel consumption, an Audi hallmark. With its sporty chassis, modified body and exclusive equipment, the Audi Q7 V12 TDI quattro is the consummate high-performance SUV. quattro GmbH, a wholly owned Audi subsidiary, is responsible for production and development of the vehicle. Series production of the Audi Q7 V12 TDI will begin this year.

Audi, the inventor of TDI technology, is penning a new chapter in the history of diesel engines with the Audi Q7 V12 TDI quattro. The world’s first V12 diesel engine in a series-production vehicle moves this big, high-performance SUV with supreme confidence and composure. On demand, the six-liter engine catapults the Audi Q7 from zero to 100 km/h (62.14 mph) in 5.5 seconds like a top-class sportscar. Speed is electronically capped at 250 km/h (155.34 mph).

The 12-cylinder diesel engine is no less impressive when it comes to fuel consumption. On average, it requires just 11.9 liters of fuel per 100 km (19.77 mpg), a surprisingly good figure in light of the strength of the engine. The six-liter TDI uses significantly less fuel than any competing gasoline engine in the high-performance SUV sector; thanks to efficient combustion and the complex exhaust emission control system, the Audi Q7 V12 TDI quattro already complies with future emissions standards.

Totally refined, high-tech engine

The V12 TDI captivates its drivers with sheer inexhaustible power and highly cultivated operation – the subtle engine sound takes on a voluminous, strong note when the throttle is open. The six-liter unit is a member of the modern family of Audi V engines, all of which have center-to-center spacing of 90 millimeters (3.54 inches) between cylinders. Instead of the usual 90 degrees, however, its cylinder angle measures 60 degrees. This method of construction is ideal for the V12 as it prohibits any undesirable free inertial forces and moments of inertia.

Another factor contributing to the vehicle’s smooth running characteristics is the high rigidity of the crankcase. Made of cast vermicular graphite, it is approximately 15 percent lighter than conventional gray iron. The six-liter unit is extremely compact at just 684 millimeters (26.93 inches) in length. The crankshaft is held in place by a rigid main bearing bracket. The V12 TDI’s engine capacity of 5,934 cc is derived from a bore measurement of 83.0 millimeters (3.27 inches) and a stroke of 91.4 millimeters (3.60 inches), just as in the 3.0 TDI.

The aluminum cylinder heads consist of three elements: the lower section where the intake and escape channels are integrated, the upper section which guides the flow of oil and a reinforced ladder frame containing the two camshafts driven by two simplex chains on the back of the engine. The valves are actuated by low-friction roller cam followers. Map-controlled flaps in the intake channels cause the induced air to swirl. This improves combustion, thus reducing emissions and enhancing performance.

High pressure: 2,000 bar in the common rail system

The common rail injection system, with high-pressure pumps driven by chains, can create pressure of up to 2,000 bar. The high pressure level permits intensive mixture formation of the fuel in the combustion chamber, thereby facilitating especially smooth, acoustically satisfying combustion. Shifting very rapidly and precisely, the eight-hole injectors working on the piezo principle can deliver up to five injections per combustion cycle.

Two turbochargers are positioned on the exterior of the V engine, each supplied with a cylinder bank. Thanks to their adjustable guide vane geometry, they respond quickly even at low engine speeds and reach high levels of efficiency, applying a relative maximum boost pressure of 1.6 bar. Two large charged air coolers reduce the temperature of the compressed air, paving the way for the high output of 500 hp.

Outstanding performance paired with exceptional efficiency

The six-liter TDI unit is further impressive proof of the technological leadership embodied in Audi’s “Vorsprung durch Technik” slogan. Back in 1989, the brand with the four rings put the TDI principle into series production and has been continually advancing it ever since at the forefront of the field. The most powerful diesel in its class generates an extremely high specific torque of 169 Nm (124.64 lb-ft) per liter of capacity; 1,000 Nm (757.56 lb-ft) is available at a range of 1,750 to 3,250 rpm. Specific power output is 62.0 kW (84.3 hp) – equivalent to that of a sportscar.

The new V12 TDI in the Audi Q7 is closely related to the engine that twice powered the Audi R10 TDI racing car to overall victory in the Le Mans 24 Hours – a 5.5-liter V12 that delivers approximately 480 kW (over 650 hp).

The Audi Q7 V12 TDI quattro’s powerful engine torque flows through a rapidly and gently shifting six-speed tiptronic that was specially designed for the six-liter diesel engine’s immense torque. The driver can shift the gears of the automatic transmission either with the selector lever or manually with the standard chromed shift paddles on the three-spoke steering wheel.

The quattro drive distributes the power to the front and back wheels in a 40:60 ratio – giving the vehicle a sporty, rear-focused driving style that guarantees maximum agility and driving enjoyment. When needed, the inter-axle differential transfers most of the power to the axle with better traction. Great care has also been devoted to reinforcing all key components in the quattro driveline.

High tech from Audi: The aluminum chassis

The chassis of the Audi Q7 V12 TDI quattro is a marvel of high-tech construction. Elaborate double wishbones guide the front and rear wheels; the axle components are made primarily of aluminum. Thanks to the extreme precision and directness of the servotronic steering, the driver remains in close contact with the road. This is where the handling characteristics, driving safety and comfort of the high-performance SUV set new standards. With maximum ground clearance of 205 millimeters (8.07 inches), the Audi Q7 V12 TDI quattro also proves itself easily capable of handling the demands of rough terrain.

The adaptive air suspension works with sporty new tuning. In combination with electronically controlled shock absorbers incorporating dynamic roll stabilization, the air suspension can be adjusted in three zones ranging from extremely comfortable to highly dynamic. The driver can also adjust ground clearance in five stages via this system and lower the tail end by 71 millimeters (2.80 inches) for comfortable loading.

Standard carbon-fiber ceramic brakes

The ultimate high-performance SUV from Audi takes to the road on sporty 10-spoke wheels of 20 inches in diameter. Alternatively, the wheels are also available in a 20-spoke design or as 21-inch variants in three different designs. Behind the large wheels is a powerful 20-inch brake system. Made of ceramic reinforced with carbon fiber, the internally ventilated disks are notable for their low weight, robust performance and minimum wear. The front disks are gripped by eight-piston brake calipers, while the rear brakes function with four pistons each. The calipers are titanium gray and the front ones bear the “Audi ceramic” logo.

The visual styling of the Audi Q7 V12 TDI quattro gives it an unmistakable look. Daytime running lights consisting of twelve white LEDs per headlight announce the vehicle’s presence even at a distance. They are located on the upper edge of the air intake slots, replacing the turn signals that were moved to the bi-xenon headlights. Further honing the vehicle’s profile is a chromed grid in the single-frame radiator grill and a shiny underbody protector made of stainless steel. The newly designed bumper groups the side air intake slots into large units.

When viewed from the side, both the 20-inch wheels and the matt aluminum caps on the exterior mirrors catch the eye. The wheel arches have been widened a total of 26 millimeters (1.02 inches) at the front and 30 millimeters (1.18 inches) at the rear; the lower edges of the doors flaunt striking new moldings. The windows are framed by matt aluminum cover strips, the roof rails sport the same look. The taillights are set in a dark-colored background, while the newly designed bumper incorporates two large, oval exhaust tailpipes. At the rear, the underbody protector is also made from stainless steel. A metallic or pearl effect finish comes standard.

Sophisticated: Highlights on board the Audi Q7 V12 TDI

In the interior of the most powerful Audi Q7, passengers will find shiny door sill trim with aluminum inserts and velours carpet. Carbon covers and the aluminum-look selector lever give the center tunnel a high-tech ambience, exclusive wood trim is available as an option. The buttons of the MMI operating system, which has proven a superior concept in numerous independent tests, gleam in silver, the air vents in aluminum, the pedals and footrest in stainless steel. On the speedometer, the range extends up to 310 km/h (192.63 mph).

Verano leather covers the electrically adjustable sport seats, the deluxe center armrest and the armrests in the doors are upholstered with leather as well. The front and rear seats can be heated; a special lighting package softly illuminates the interior.

Also included in the luxurious standard specification are the leather package, leather multi-function sports steering wheel, black roof lining, folding exterior mirrors, DVD navigation system, Bose Surround Sound system with CD changer, Bluetooth mobile phone preparation, alarm system and tire pressure monitoring system. The tailgate opens and closes electronically. Partially overlapping the D-pillars, it gives the vehicle a brawny rear body.

There are four optional high-tech assistance systems for the Audi Q7 V12 TDI quattro: The adaptive cruise control system, Audi lane assist and Audi side assist aid the driver in maintaining the proper distance to the vehicle ahead, staying in lane and changing lane, while Audi parking system advanced incorporates a camera for a clear view behind the vehicle.

The optional Audi music interface offers a convenient iPod interface. Available on request, the B&O Advanced Sound System creates an unparalleled acoustic experience. An even more comfortable interior can be achieved with the advanced leather package that includes, among other things, exclusive leather covering of the instrument panel and center console.

The large glass roof open sky system is available to crown the spacious interior – optionally with four, five, six or seven variable seats – as is a rail system for the cargo area of up to 2,035 liters in size.

Presales of the Audi Q7 V12 TDI will begin in the second half of 2008. The most powerful diesel vehicle in its class is the exclusive top-of-the-line model in the Q7 range.

- Audi TT 2.0 TDI Coupe & Roadster with 170 HP Diesel Engine – 44.4 MPG

Great news for all you diesel lovers today as Audi unveiled the all-new TT 2.0 TDI quattro that will be available in both coupe and roadster bodystyles. The TT’s 2.0-liter, 4-cylinder turbocharged diesel engine delivers 170 Hp at 4,200 rpm and 350 Nm (258.2 lb-ft) of torque between 1,750 and 2,500 rpm. Audi has combined the 2.0-liter diesel engine with a manual six-speed transmission.

According to Audi, the TT Coupe and TT Roadster quattro 2.0 TDI consume an average of 5.3 lt and 5.5 lt of diesel fuel per 100 km (44.4 mpg and 42.8 mpg) respectively. As for performance, Audi claims that the Coupe sprints from 0 to 100 km/h (62 mph) in 7.5 sec and achieves a top speed of 226 km/h (140 mph). The Roadster, requires 7.6 sec for the standard sprint, and continues up to a top speed of 223 km/h (139 mph). Still having doubts about diesel-powered cars in the States?

PRESS RELEASE:

The new Audi TT 2.0 TDI quattro: owerful performance with maximum efficiency

Audi is once again setting standards, this time with the new Audi TT and its TDI engine—a model that combines pure sportiness and powerful performance with sensational efficiency. The Audi TT 2.0 TDI Coupe quattro and Audi TT Roadster 2.0 TDI quattro are the first series-production sports cars to feature diesel engines. It’s a compelling union: the two-liter engine generates dynamic propulsion with 125 kW (170 hp) and 350 Nm (258.15 lb-ft) of torque, yet the TT Coupe and TT Roadster consume an average of only 5.3 liters and 5.5 liters of fuel per 100 km (44.38 mpg and 42.77 mpg) respectively—unparalleled in the sports car segment.

Audi is setting the pace with this synthesis of excellent dynamism and low fuel consumption, as it has done for many years: Since debuting in 1989 the TDI engines from the brand with the four rings have been paving the way for the world’s most successful efficiency technology and acting as trendsetters for the entire automobile industry. Today, these powerful, refined and highly fuel-efficient engines represent a modern, smart take on sportiness. The run of victories achieved by the Audi R10 TDI diesel race car at the Le Mans 24 Hours and in the American Le Mans Series are impressive evidence of the tremendous potential of this technology.

The dynamic diesel engines from Audi exert an exciting impact not just in racing but also in series-production models—and now indeed in a sports car. The TT Coupe quattro with the 2.0 TDI sprints from zero to 100 km/h (62.14 mph) in 7.5 seconds and achieves a top speed of 226 km/h (140.43 mph). The Audi TT Roadster, likewise equipped with quattro permanent all-wheel drive, requires only an extra tenth of a second for the standard sprint, and continues up to a top speed of 223 km/h (138.57 mph). Both versions serve as outstanding examples of the success of the Audi efficiency strategy, thanks to their fuel efficiency ratings of 5.5 liters per 100 km (42.77 mpg), a figure that corresponds to CO2 emissions of only 145 grams/km.

Powerful, refined and efficient: The 2.0 TDI

The new four-cylinder TDI engine (engine displacement = 1,968 cc) represents a fresh take on the all-round compelling qualities of the TDI concept. Designers of the dual-camshaft, two-liter model looked to its predecessor—the most-produced diesel engine in the world—and expanded upon its major strengths: driving pleasure, efficiency and refinement.

The new common rail injection system is equipped with highly modern piezo injectors, whose eight-hole injection nozzles can perform up to five distinct injection sequences per cycle. This fine degree of modulation creates a modest pressure increase in the combustion chambers, resulting in a significantly reduced noise level. The system pressure of 1,800 bar allows fuel to form a fine dispersion, enabling precise, highly efficient combustion.

The turbocharger is also part of a new generation and operates with adjustable vanes that allow torque to build up rapidly. The positions of swirl flaps on the intake manifold are controlled by electric motors in order to adapt the flow of air to the current load and engine speed. The geometry of the engine’s pistons has been modified, and the acoustics of the camshaft drive belt have been overhauled. Just as they did in the preceding model, two balancing shafts reduce the vibrations arising in the crankshaft drive.

The cumulative result of this progress is a high maximum engine speed of 5,000 rpm and, most importantly, improved thermodynamics in the combustion chambers. What this means is that the engine can run on up to 60 percent recycled exhaust that has been thoroughly cooled by the radiator. This results in a drastic reduction in untreated NOx emissions, with the 2.0 TDI already meeting the threshold values of the upcoming Euro 5 standard.

Dynamic road performance

The 2.0 TDI in the Audi TT Coupe and the Audi TT Roadster delivers 125 kW (170 hp) at 4,200 rpm and sends a full 350 Nm (258.15 lb-ft) of torque to the crankshaft at engine speeds between 1,750 and 2,500 rpm. Operating quietly and generating little in the way of vibration, this model delivers a hefty amount of power at the lowest rpm levels and is highly responsive to input from the gas pedal. Its supreme power development lends this engine its own unique, fascinating character—that of a muscular, smart sports engine.

The Audi TT Coupe 2.0 TDI quattro easily leaves the gasoline-powered competition behind when accelerating from a standstill. It sprints from zero to 100 km/h (62.14 mph) in just 7.5 seconds and never looks back until it reaches 226 km/h (140.43 mph). The TT Roadster accelerates to 100 km/h (62.14 mph) in 7.7 seconds and keeps going up to 223 km/h (138.57 mph).

These models—the world’s first diesel sports cars—consume an average of only 5.3 liters and 5.5 liters of fuel per 100 km (44.38 mpg and 42.77 mpg) respectively, which corresponds to CO2 emissions of a mere 140 g/km and 145 g/km. In so doing, they are setting a benchmark that represents a veritable quantum leap in the sports car segment. With the TDI engine in the TT series, Audi once again establishes its leading role on the diesel market. The brand with the four rings is advancing progress and starting at the top.

In keeping with the theme of sporty performance, Audi has combined its two diesel-engine sports cars with highly effective manual six-speed transmissions whose short lever travel allows the driver to shift quickly, easily and precisely. The housings for these transmissions are made of lightweight, high-tech magnesium materials. Relatively long final transmission ratios have been employed to bring the drivetrain in line with the character of the TDI engine.

In light of their high torque values, Audi is equipping both of its new TT models with quattro permanent all-wheel drive. The heart of this system is an electronically controlled, hydraulically activated multi-plate clutch, which is located in the rear of the vehicle for improved weight distribution. This clutch generally distributes up to 85 percent of the engine power to the front axle and 15 percent to the rear axle; in extreme situations it can divert up to 100 percent of the power to either axle.

The overall concept: An exercise in uncompromised sportiness

Consistent efforts to reduce vehicle weight are also part of the efficiency strategy pursued by the brand with the four rings. Both sports cars are very lightweight: the 2 + 2-seater TT Coupe weighs only about 1,370 kilograms (3020.33 lbs) when empty, while the two-seater TT Roadster with soft top weighs roughly 1,415 kilograms (3119.54 lbs). Underlying these low weights is an innovative hybrid body construction developed by Audi. Front components are made of aluminum and utilize Space Frame technology; rear components are made of steel. This solution guarantees that the frame is as rigid as possible and optimizes load distribution between the axles.

The Audi TT Coupe and TT Roadster are dynamic, emotion-packed sports cars. As was the case with preceding models, these cars are impressive for their powerful design, whose dynamic flow continues on into the interior. The cockpit contains multiple nods to the circle motif, and the sports steering wheel with its flat-bottomed rim fits the driver’s hand like a glove. The sport seats are deep-set, providing a sporty seated position and firm lateral support. The backs of both rear seats fold down in the TT Coupe, making the trunk space grow from 290 to 700 cubic liters (10.24 – 24.72 cubic ft). The Roadster (250 liters, 8.83 cubic ft) comes with a practical load-through hatch upon request.

The sports suspension likewise offers extraordinarily dynamic features. The front suspension is pivoted on an aluminum subframe and has a wide track measuring 1,572 millimeters (61.89 inches).

A highly precise rack-and-pinion steering system with a direct steering ratio provides an intimate link between the driver and the road. Power steering with servo assist, which decreases as speed increases, is generated by an electromechanical drive that is even more efficient than a hydraulic pump.

The coil springs and shock absorbers in the four-link rear axle are situated in separate areas. The links are also finely differentiated: The layout of the trailing links, which absorb the propulsive and braking forces, is relatively soft to promote a comfortable ride. The connections to the three transverse links per wheel, on the other hand, are rigid in order to direct transverse forces into the body with precision.

The Audi TT Coupe 2.0 TDI quattro and Audi TT Roadster 2.0 TDI quattro roll on 16-inch, cast aluminum wheels fitted with 255/55 R16 tires. Behind the wheels are large disk brakes with pads that develop large coefficients of friction. The ESP stabilization program supports the neutral to slight understeering feel of the TT—the finishing touch on an overall portrait of exciting dynamics, exhilarating driving pleasure and stability you can count on.

Audi magnetic ride, a high-tech shock-absorber system available as an option, is an adaptive system that resolves the traditional conflict of interests between comfort and handling. A magneto-rheological fluid circulating in the shock absorbers changes the direction of the magnetic particles within milliseconds when electricity is applied; this alters the overall characteristics of the fluid and, in turn, modifies the damping characteristic. The driver can choose between “Normal” and “Sport” programs by flipping a switch.

Equipment makes a statement of refined style

Standard equipment for both of the new TT models reflects the sporty character and refined style of the series. Faux aluminum accents add a shine to gray inlays and various other components in the interior. The sports steering wheel comes with a Nappa leather cover. The climate control system (standard for the TT Coupe) regulates heating and ventilation in response to the level of sunlight. The driver information system and chorus audio system round out the standard equipment.

A wide array of high-tech equipment is available as options, including a highly modern generation of audio devices, electrically adjustable front seats, the adaptive light dynamic cornering light system and two navigation systems with a user interface based on the Audi MMI concept—a cut above the competition.

- 2009 Audi A4 Avant: Stylish Station Wagon to Debut in Geneva

If we where to buy an Audi A4 or A6 today, in both cases we’d definitely choose the Avant version over the sedan without a thought. Somehow, Audi’s designers manage to beautifully pen the station wagon versions of their sedans, and the 2009 A4 Avant that will debut in Geneva next month, is no exception to that rule.

Measuring 4.70 meters (15.42 feet) in length, the new A4 Avant is almost 123 mm (4.72 inches) longer than its forerunner model. And while its body is considerably more rigid than its predecessor, according to Audi, it is around 10 percent lighter at the same time. The extra length has helped boost the A4 Avant’s boot capacity to 490 liters (129 gallons) in it basic configuration while with the seats down, it can fit up to 1,430 liters in volume (50.50 cubic feet).

The new Audi A4 Avant will be launched on the European market this spring, with the rest of world following shortly. Initial engine choices include the basic 160 HP 1.8 TFSI and 265 HP 3.2 V6 FSI petrol units and the 143 / 170 HP 2.0 TDI and 240 HP 3.0 TDI turbo diesel units.

PRESS RELEASE:

The new Audi A4 Avant: Driving in a new dimension
· Attractive design, spacious and well thought-out luggage space
· Sporty technology layout and dynamic driving performance
· New generation of engines with higher performance and lower fuel consumption

Dynamic, elegant, and emotional; with the A4 sedan, Audi has already advanced into a new dimension. In a few weeks, the A4 Avant will follow: The most successful premium station wagon of its class offers, along with excellent drivability and uncompromising quality, a higher utility value for sports and recreation. This vehicle combines elegance and intelligent functionality.

The Audi A4 Avant is extending its lead. Based on the same technology layout as the sedan, the newly developed five-link front axle has been shifted farther forward. This ensures that the axle loads are perfectly distributed, thereby guaranteeing the highest precision and agility when it comes to handling. The Avant therefore also offers a new and fascinating driving experience similar to the one that led media experts to pronounce the sedan the best automobile in the midsize range.

Audi is launching the A4 Avant with five engine types to begin with: two gasoline engines and three diesel engines. These engines offer superior performance while reducing fuel consumption by more than 14 percent compared to the previous model – proof of Audi’s successful efficiency strategy.

Audi’s high technological competence is also expressed in the broadly diversified range of powertrains and in its numerous sport and comfort technologies – many of which originate directly from the premium class.

Attractive station wagons called Avant: the design

The design of the new Audi A4 Avant is as exciting and dynamic as one would expect from a brand as design-oriented as Audi. The headlights are staged like a technological work of art. The Avant comes with daytime running lights as a standard feature; the xenon plus headlights consist of 14 white light-emitting diodes.

Compared to the forerunner model, the proportions have been reconfigured in a new and even sportier design. The front overhang has been shortened, and the engine hood and the wheel base have gained considerably in length. The flat D-posts lend the Audi A4 Avant a dynamic, coupe-like silhouette, while the rear design emphasizes its width with powerful, horizontal lines. The new A4 Avant measures 4.70 meters (15.42 feet) in length, almost 12 centimeters (4.72 inches) longer than its forerunner model. Its body is considerably more rigid and safer in build than its predecessor, yet is around 10 percent lighter at the same time.

With up to 1,430 liters in volume (50.50 cubic feet), the latest addition to the Audi family has the largest luggage capacity in its competitive field; in its basic configuration it holds 490 liters (129 gallons). The 60/40 split-fold rear seats also come with the option of a load-through hatch with separate ski and snowboard bag. The A4 Avant’s trunk is lined with fine carpet and features intelligent details as standard such as a reversible cargo floor and a convenient cargo cover that retracts at a touch. Audi also offers luxury features such as an electro-mechanical drive for the rear tailgate or tie-down eyelets for securing luggage.

Light and spacious: the interior

The ambience inside the new A4 Avant is light and spacious. The interior reflects Audi’s strengths – the highest quality of workmanship, sophisticated looks, and logical, intuitive operation. The cockpit is driver-oriented; it borrows many features from the larger A8. Thanks to the new electro-mechanical parking brake, the manual parking brake was no longer necessary.

Even the standard climate control system has been completely redesigned. It supplies ten percent more cooling capacity, yet operates more efficiently than the previous system, thus saving about 0.2 liters of fuel per 100 km.

When it comes to safety, Audi has raised the bar, for example, with its combination of adaptive airbags, belt tensioners with variable belt force limiters and seat position sensors on the front seats. With this system, the force of the airbag deployment and belt tension level are selectively controlled depending on the seat position and the accident severity. In case of a rear-end collision, the backs of the front seats and the head rests support the upper body. This system is called Audi backguard and has received special praise during independent tests.

The engines: more performance, less fuel consumption

The new Audi A4 Avant will be launched on the market with two powerful gasoline engines and two diesel engines, thus covering a range of 105 kW (143 hp) to 195 kW (265 hp). The 2.0 TDI generating 125 kW (170 hp) will be added later to round out the range. All the engines have FSI and TDI direct fuel injection technology and the three four-cylinder engines reach high torques thanks to turbocharger technology. On average, the engine performance in this model series has increased by almost eight percent. At the same time, fuel consumption in the gasoline engines has dropped by almost 12 percent, and the TDI engines by almost nine percent.

The new 3.2 FSI is the most powerful engine that comes with the new A4 Avant. It has an output of 195 kW (265 hp) and reaches 330 Nm (243.40 lb-ft) of torque between 3,000 and 5,000 rpm. Enhancements to the V6 include considerably lower inner friction and a valve actuation system called the Audi Valvelift System, which varies the stroke of the intake valves.

The 3.2 FSI delivers sport-driven performance in any situation. It powers the A4 Avant from zero to 100 km/h (62.14 mph) in just 6.4 seconds and on up to a top speed of 250 km/h (155.34 mph). At the same time, fuel consumption has dropped by 1.5 liters (0.40 gallons) compared to its predecessor.

The 1.8 TFSI, too, is a highly efficient engine. The compact and light four-cylinder unit has an output of 118 kW (160 hp) and reaches 250 Nm (184.39 lb-ft) of torque between 1,500 and 4,500 rpm. Direct gasoline injection and turbocharging create the ideal combination in this model. The 1.8 liter engine responds spontaneously and provides a highly refined driving experience. It powers the car from zero to 100 km/h (62.14 mph) in 8.9 seconds and on up to a top speed of 218 km/h (135.46 mph).

The 3.0 TDI engine in the Audi A4 Avant comes across as a widely new engine, particularly when it comes to the fuel injection system and the turbo. This three liter diesel unit, which is firmly coupled to the manual transmission, has an output of 176 kW (240 hp) and reaches a torque of 500 Nm (368.78 lb-ft) between 1,500 and 3,000 rpm. Its performance figures – from zero to 100 km/h (62.14 mph) in 6.3 seconds, a top speed of 250 km/h (155.34 mph) – demonstrate this engine’s dynamic character.

The 2.0 TDI has a new common rail fuel injection system that guarantees refined running; other innovations include the turbo and the piston geometry. Audi offers the two liter diesel engine in two versions: one developing 105 kW (143 hp) and 320 Nm (236.02 lb-ft) of torque and the other generating 125 kW (170 hp) and 350 Nm (258.15 lb-ft) of torque. Both ensure powerful propulsion – the basic TDI accelerates the A4 Avant to 100 km/h (62.14 mph) in 9.7 seconds and facilitates a top speed of 208 km/h (129.25 mph). The more powerful of the two accelerates the Avant to 100 km/h (62.14 mph) in 8.6 seconds and on up to a top speed of 222 km/h (139.19 mph).

When it comes to power transmissions, customers can choose from a broad range of high-tech components. Six-speed manual and tiptronic transmissions (optional for the 3.2 FSI) transfer the engine’s torque. For the 1.8 TFSI unit and the 2.0 TDI engine generating 105 kW (143 hp), the continuously variable multitronic transmission is also an option.

The 3.2 FSI and the 3.0 TDI come equipped with quattro permanent all-wheel drive as a standard feature. It distributes the forces under normal driving conditions at a ratio of 40 : 60 between the front and rear axle – a configuration that perfectly harmonizes the overall dynamic character of the new A4 Avant. If needed, the Torsen differential transfers the majority of the torque to the axle with the better traction.

In the driveline of the new A4 Avant, the differential has moved directly behind the engine. It has switched places with the clutch or the torque converter.

It was therefore possible to move the front axle 154 millimeters (6.06 inches) forward. This solution provides for a longer wheel base and for the perfect distribution of the axle loads, thus improving both handling and ride comfort equally.

Redesigned from top to bottom: the dynamic suspension

The dynamic suspension of the new Audi A4 was redesigned from top to bottom. The pivot bearing and the five links of the front axle are also made of aluminum, just like the beam, which makes the front end of the body more rigid. The steering box is located far to the front and deep down to enable the steering impulse to go directly to the wheels via the tie-rods. The highly efficient servo pump in the sensitive rack-and-pinion steering improves fuel consumption by about 0.1 liter/100 km.

In the rear axle, Audi applied the track-controlled trapezoidal link principle from the larger A6 and A8 series. The suspension is made largely of aluminum; the separate layout of the springs and shock absorbers guarantees sensitive responsiveness. The new A4 Avant will roll off the production line on 16 inch and 17 inch alloy wheels, behind which are located powerful brakes. The electronic stabilization program (ESP) can be partially switched off when driving under 70 km/h (43.50 mph).

A package of innovative technology makes the driving experience even more dynamic and exciting. The optional Audi drive select control system accesses various technology components, depending on which upgrade the customer has selected. In the basic version, it influences the engine’s gas intake, the tiptronic shifting points, the multitronic and the power steering as well as the steering angle of the steering wheel. By pressing a button, the driver determines whether these components should work in a comfortable, average or sporty mode. If the car is equipped with the MMI operating system, a fourth, individually programmable mode is available.

Audi drive select requires at least one of the following two high-end components. One is an adaptive controller for the shock absorbers which is connected to a sports suspension and lowers the body by about 20 millimeters (0.79 inches).

The second component is the Audi dynamic steering that operates with a superposition gear. It varies the steering ratio continuously by almost 100 percent depending on the speed driven. In the limit range, it stabilizes the new A4 Avant thanks to its lightning-fast steering interventions. The system is also extremely useful when understeering occurs.

Even greater supremacy: assistance systems

Audi equips the new Avant, upon request, with a complete range of high-tech systems that make driving an even more supreme and relaxed experience. These include the Audi parking system (a parking aid; standard for the A4 Avant Ambiente), Audi lane assist (the lane departure warning system) and Audi side assist (which warns of hazards when changing lane). Adaptive cruise control maintains the distance to the vehicle in front.

Even when it comes to multimedia, the Audi A4 Avant sets new standards. The Audi Music Interface (AMI) allows iPods to be connected. The navigation systems with MMI Basic plus or with DVD including MMI are also further upgrade options. They permit the integration of cell phones as Bluetooth car phones and are combined with the competition-beating MMI operating system. The top of the line when it comes to hi-fi enjoyment is the car’s sound system from the leading Danish company Bang & Olufsen: A powerful 505 watt, ten-channel amplifier controls 14 speakers.

The new Audi A4 Avant will roll off the production line in the Attraction, Ambition, and Ambiente equipment lines. The dynamic S line offers the options of an exterior package and a sports package. The broad range of options includes luxury-class features such as air-conditioned comfort seats, the triple-zone climate control system, the advanced key which allows keyless access to the vehicle and vehicle start-up at the press of a button, and the dynamic cornering light system known as adaptive light. The large panoramic glass sunroof lights up the elegant interior. A new headlight assistant will be an additional feature in the future.

The A4 Avant will be available for sale in the spring in Germany and other European markets. The basic price of the Audi A4 Avant 1.8 TFSI Attraction model with an output of 88 kW (120 hp) will be €27,550 and it will be available in the fall.

- Audi A9 Quattro: Extreme Tuning or Extreme Bad Taste?

We wonder what was going in the mind of this guy when he decided to tune his Audi A6 and give it his own personal touch. The genetically mutated Audi contains a hodgepodge of elements ranging from the headlights of an Alfa and the minuscule hood scoop to the randomly placed exhaust pipes. As if the horrendous aesthetic changes weren’t enough of a crime, the owner decided to rename his visual atrocity to the Audi A9 Quattro. He might as well left the 6 with the 9 cause that’s exactly what he did to the A6…

Via: Autoblog.it