Getting the A8 down the road is a 335-horsepower, turbocharged 3.0-liter V-6 engine coupled with an eight-speed automatic transmission. Audi’s Quattro all-wheel drive is standard. For added ...

The 2007 Audi A8, which competes with the Mercedes-Benz S-Class, BMW 7-Series, and Lexus LS, boasts the advantage of its standard all-wheel-drive quattro system for improved all-weather performance ...