Engine 5.2-liter V-10 Transmission 6-speed automatic Horsepower A sleeper choice by any metric, the Audi C6 S6 is a cultured pick. Considering most enthusiasts won't even know what powers this ...

Audi posits a zero-to-60 time of 5.2 seconds. Of course, buyers seeking more gusto can step up to the dual-motor quattro—or the 543-hp S6 e-tron. Brake-pedal feel is natural, and the pedal is ...

Prices shown for the used 2008 Audi S6 Sedan 4D Quattro with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit options.