2015 Audi S6
The 2015 Audi S6 is a high-performance luxury sedan that packs a powerful punch. With a twin-turbocharged 4.0L V8 engine that produces 450 horsepower and 406 lb-ft of torque, the 2015 Audi S6 is one of the most powerful vehicles on the market. The S6 also features a 7-speed S tronic dual-clutch transmission and Quattro … Read more