The Q7 is available with three different engine choices, two supercharged, direct-injection 3.0-liter gasoline engines, one with 272-hp, the other, on the S line trim, with 333-hp. A 225-hp 3.0-liter V6 direct injection diesel (TDI) is also available, and they are all mated to a Tiptronic eight-speed automatic transmission and quattro all-wheel drive. Standard features include leather upholstery, heated seats, automatic dual-zone climate control, 6-disc audio system and 18-inch wheels, power liftgate, auto-dimming mirrors, Bluetooth, bi-xenon headlights. The TDI adds 19-inch wheels and chrome exterior trim. The S line adds even more standard luxuries such as Bose audio, three-panel sunroof, sunshades, side assist, advanced key and 20-inch wheels. For 2011, two new 3.0-liter gas engines replace last years 3.6 and 4.2, and an eight-speed transmission replaces the six-speed. Also, the trip computer now includes the Audi Efficiency Program that helps drivers maximize fuel economy.