2013 Audi S6. Adaptive cruise control, navigation, diamond leather seat stitching, carbon fiber trim, air suspension, front and rear heated seats, black headliner, a Bose sound system and the famous Audi Quattro all wheel drive system. Depending what drive mode the car is in, it can be quiet or sound like a very powerful sports car. This TWIN TURBO V8 puts out 650hp and 850tq - it does 0-60 in under 3.5 seconds. It is equipped with Max Performance Summer Tires in the summer and Performance Winter Tires in the winter so it is a smooth, comfortable and sporty ride no matter the weather.