The S4 is outfitted with a dynamic 333-hp 3.0-liter supercharged V6 engine with FSI direct fuel injection. A standard six-speed manual transmission and Audi's quattro all-wheel drive system transfer power to the ground; a seven-speed S tronic automatic transmission, including manual gear selection and paddle shifters, is optional. The S4 comes with a power sunroof, 18-inch aluminum wheels and performance tires, Xenon plus headlights, LED tail lamps, heated front sport seats, leather/simulated suede upholstery, three-zone climate control, satellite radio, Bluetooth wireless connectivity and an Audi Music Interface. An available Prestige package boasts 19-inch aluminum wheels, adaptive headlights, MMI navigation plus, Bang & Olufsen premium sound, HD radio and Advanced Key passive entry/start. Standard safety features include electronic stability and traction control systems, four-wheel anti-lock disc brakes with brake assist, front side-impact airbags, overhead curtain airbags for front and rear passengers, and a tire pressure monitor; rear parking sensors, a blind spot monitor and rear side-impact airbags are also available. The Audi S4 carries over with minimal changes for 2012. New standard equipment includes auto-dimming exterior mirrors and a driver's seat memory function, while adaptive headlights are now offered in content of the Prestige package.