The 2006 Audi A8 is lauded for its marriage of performance, style, and luxury. This full-size vehicle exists in Audi's D3 generation of the A8 series. Buyers can choose between a standard 4.2-liter V8 engine producing 335 horsepower and a muscular 6.0-liter W12 engine that churns out a hefty 450 horsepower; both are paired with a 6-speed automatic transmission and Audi’s Quattro all-wheel drive system. The A8 comes available in three trims: the base A8, the long-wheelbase A8 L, and the potent A8 L W12. Its distinctively designed cabin houses high-tech features like Audi's Multi Media Interface (MMI) system, featuring a 7-inch LCD screen, which controls everything from audio to navigation settings. Safety features include eight airbags, anti-lock brakes, and an electronic stability system. This model year also saw the introduction of Adaptive Cruise Control as an optional feature.