The 2006 Audi A6 belongs to the fourth generation of the A6 lineup. Available in four trims, it features front-wheel drive with the choice of a 3.1-liter V6 engine producing 255 horsepower or a 4.2-liter V8 engine producing 335 horsepower, both mated to either a six-speed manual or automatic transmission. An all-wheel drive Quattro system is also available for better off-road capabilities. Inside, the A6 is lavished with luxury features, including a 7-inch infotainment screen, dual-zone automatic climate control, leather seats and optional MMI navigation system. Safety features include ABS, traction control, an electronic stability program, and a full complement of airbags.