The new Audi A8 L and Audi A8 L W12 image

Today Audi presented the most powerful Audi A8. The Audi A8L W12. 130 millimeters (0.43 ft) longer than the standard-wheelbase version, the new Audi A8 W12 has a 12 cylinder 6.3 FSI engine that generates a total power of 368 kw – 500 hp.

As we can see from the images, this new limousine was clearly made to set new standards of luxury.

Rear-seat area
The full extra length of this sedan benefits rear-seat passengers. The back doors are longer, for even more convenient entry, and the space available inside can only be described as opulent. Rear passenger comfort can be enhanced even more if two separate power-adjustable seats are ordered. These can be heated, ventilated and adjusted in a variety of ways: forward and back, seat cushion depth and seat back angle with top section adjustable separately. There is also a fully adjustable lumbar support. The front passenger’s seat can also be moved from the rear if extra space is needed.

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Between the individual rear seats that are standard equipment in the Audi A8 L W12 quattro a full-length console can be ordered as an optional extra; it extends back from the center tunnel to the rear shelf, and can be specified with integral items such as a folding table or a refrigerator. Separate controls for the rear air conditioning are also standard. The luxury four-zone automatic air conditioning is controlled by no fewer than 25 adjusting motors.

Another high-end feature of the long-wheelbase Audi A8 is the reclining seat behind the front passenger’s seat. The angle of the seat cushion can also be adjusted. The occupant can be massaged by ten air-filled compartments; four programs can be selected at a remote control. The feet rest on a power-adjustable support at the base of the front passenger seat back. Heating, ventilation and the luxury head restraint are integral features of the reclining seat. A folding table, additional wood and leather trim, a refrigerator and a Rear Seat Entertainment system with two 10.2-inch screens are among the features that promote relaxed travel or alternatively concentrated work in this mobile lounge.

The Audi A8 L W12 quattro: The powerplant

The first-generation A8 was available with an engine of this type from 2001 on, and a developed version could be obtained from 2004 on in the following model. Audi’s engineers have now thoroughly revised the W12. Its displacement has been increased, and gasoline direct injection boosts its output and its efficiency.

The 6.3 FSI engine has an output of 368 kW (500 hp) and delivers its peak torque of 625 Nm (460.98 lb-ft) 38513at engine speeds at 3,250 rpm. It gives the long-wheelbase Audi A8 the kind of performance normally expected of a sports car: it sprints from 0 to 100 km/h (62.14 mph) in only 4.9 seconds and effortlessly reaches its governed top speed of 250 km/h (155.34 mph).

The EU cycle test of cpmpsumption result is only 12.0 liters per 100 kilometers (19.6 US mpg).

The engine is known as the W12 because of its unusual layout: it has four rows of three cylinders with a 15-degree included angle between the two offset rows of cylinders in each broad cylinder block. The V angle between the two blocks is 72 degrees. This layout makes the W12 engine exceptionally compact: only just over 50 centimeters (19.69 in) long and therefore distinctly shorter than a V8. Height and width are both in the region of 70 centimeters (27.56 in). Its bore and stroke are 86.0 and 90.4 millimeters (3.39 x 3.56 in) respectively. Compared with the previous version the engineers have enlarged the cylinder bore. The forged crankshaft has a 12-degree angle of crankpin offset, so that the mixture in the 12 cylinders is ignited at the ideal interval of 60 degrees. The W12 engine weighs 247 kilograms (545 lb).

Inside tech
Two large monitor screens, one on the instrument panel and one on the center console, acts as control centers and display their information as high-resolution 3D graphics.

The high-end navigation system cooperates with the assistance and safety systems in an innovative way. It registers the topography of the road in advance and makes this data available to the control units for the automatic transmission, headlights and adaptive cruise control with Stop & Go function. Thanks to their advanced intelligence, these systems can identify complex scenarios and offer the driver support in good time. The Audi side assist system, which helps the driver to change lanes, and Audi lane assist which detects any departure from the chosen lane, also have new and additional performance features.

The night view assistant uses a thermal imaging camera to identify persons on the road ahead of the car. If it considers the situation to be potentially dangerous, the image of the person on the road is shown in red and a warning signal is heard.  The Audi pre sense safety system is also closely linked to the assistance systems. It is available in several stages: the full version brakes the car automatically in order to minimize the consequences of a nose-to-tail collision.

In the multimedia area, Audi can also supply many attractive modules. These include a Bang & Olufsen Advanced Sound System with an output rating of more than 1,400 Watts and 19 speakers, and the Rear Seat Entertainment system. This has an MMI control panel on the console between the rear seats and provides access to all the infotainment functions on board this large luxury sedan.

The new Online services in cooperation with Google use the car phone to capture news and current information on the weather or points of interest (POI) from the Internet. Later this year an UMTS module will be available: this fast data link can supply images and information from Google Earth to the monitor screen and combine them with the navigation route. The driver can use all these services with his or her cell-phone contract.

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