The high‑performance diesel is paired with an eight‑speed tiptronic automatic transmission. All other engine variants are linked to either a newly designed six‑speed manual gearbox that is particularly lightweight and low-friction, or a seven‑speed S tronic twin-clutch transmission. In the versions with front-wheel drive, a fully redeveloped dual-clutch transmission replaces the familiar eight-speed multitronic continuously variable transmission.
The quattro all-wheel-drive is available in conjunction with all engines bar the 2.0-litre TDI, and in versions with 272PS and above, the quattro permanent all‑wheel drive system can be supplemented with the sport differential, which actively distributes power between the rear wheels.
The new Audi A6 allroad quattro, which is based on the A6 Avant, features a raised body accentuated by wheel arch extensions and stainless steel protectors that encapsulate the underside of the front and rear ends. It rides on adaptive air suspension with allroad-specific settings and is powered by three 3.0‑litre V6 TDI engines with outputs of 218PS, 272PS and 320PS.
The new Audi S6 and S6 Avant are sports cars for everyday use. They use the 4.0-litre TFSI petrol engine, a twin turbo V8 producing 450PS, which accelerates the Saloon from rest to 62mph in 4.4 seconds. The S6 Avant completes the sprint in 4.6 seconds. Combined fuel economy is an impressive 30.7mpg in the Saloon and 30.1mpg in the Avant, the equivalent of 214 and 219 grams CO2 per kilometre, respectively. This efficiency is due in large part to the cylinder on demand (COD) system, which only activates four of the eight cylinders when under part load.
Standard equipment in the new Audi S6 and S6 Avant includes quattro permanent all‑wheel drive incorporating the sports differential and the adaptive air suspension, which lowers the body by 20 millimetres. Matt black brake calipers grip the front discs mounted behind the 19‑inch wheels.
The figurehead of the new A6 family remains the RS 6 Avant. The Avant in the extreme accelerates to 62mph in a mere 3.9 seconds and can reach a top speed of 189mph. Its 4.0-litre TFSI engine produces 560PS, yet is also capable of up to 29.4mpg, corresponding to 223 grams CO2 per kilometre. The COD system is also largely responsible for this efficiency.
An eight‑speed tiptronic transfers the power from the twin turbo V8. The standard quattro drivetrain uses a centre differential with a higher locking rate and also features the sports differential acting on the rear axle. The RS adaptive air suspension lowers the body by 20 millimetres, but customers also have the option of conventionally sprung RS sport suspension with Dynamic Ride Control (DRC). The large brake discs feature a weight-saving wave design, and the wheels measure 20 inches in diameter. 21‑inch wheels are available as an option.
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