That's solved in the RS 7 thanks to its twin-turbo V-8, stiffer suspension ... The S7 receives a twin-turbo hybridized 2.9-liter V-6 that cranks out 444 hp and 443 lb-ft of torque. Audi ...

Audi S5 Avant by ABT Sportsline comes with more power, some exterior enhancements, and a few extras on the inside ...