| The all-aluminum-bodied Audi A8 is offered in two lengths, standard and long (designated "L"), and with two different engines. The A8 and A8 L utilize a 350-horsepower, 4.2L direct-injection V8, and the flagship A8 L model is powered by a smooth 450-horsepower "W12" engine based on a Volkswagen design. Both models are matched with a 6-speed automatic transmission with the Tiptronic function, which allows the driver to manually select gears when desired. The 4.2L A8 can get from zero to 60 in only 5.9 seconds according to Audi, while the 6.0L W12 version can do the dash in 5.0 seconds. All versions are matched with Audi's quattro all-wheel drive system, which transfers power from side to side as well as front to back, improving handling and all-weather capability. The Servotronic steering system adjusts assist and steering feel with vehicle speed, also for improved handling. All A8 models get the Audi Adaptive Air Suspension, which automatically adjusts the damping rates to compensate for road and driving conditions. The driver can also change the ride height and firmness as desired with four modes. The available Sport package adds an additional setting with more aggressive damping. The A8 comes with a full roster of safety features, including front and rear side air bags for outboard occupants, the Sideguard side-curtain air bag for outboard occupant head and chest protection, plus active front head restraints and knee air bags for front occupants. Air bag deployment is optimized with six different crash sensors. Stability control and anti-lock brakes with brake assist are also standard. |
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