2012 Audi S6 and S6 Avant show face before Frankfurt debut
At the 2011 Frankfurt Motor Show, Audi will show up with three new S models including the Audi S6, Audi S7 Sportback and the Audi S8. The new 2012 Audi S6 and S6 Avant are powered by a new 4.0 TFSI twin-turbo V8 engine making 420-hp with a maximum torque of 405. lb-ft of torque. [...]
