The 2013-2018 Audi S6 (C7) is a high-performance luxury sedan that offers exceptional power and handling. The car is powered by a 4.0-liter TFSI V8 engine that produces 420 horsepower and 406 lb-ft of torque, allowing it to accelerate from 0-60 mph in just 4.5 seconds and reach a top speed of 155 mph (electronically limited). The car also features a 7-speed S-tronic dual-clutch transmission, quattro all-wheel drive, and a sport-tuned suspension for superior handling and agility.