2009 Audi RS6 Sedan
The new Audi RS6 sedan is almost ready for primetime, as these latest spy shots of this virtually undisguised RS6 prototype suggest. This German rocket sedan will pack the same twin-turbo 5.0-liter V-10 with 580 horsepower and 479 lb-ft of torque under its hood as Audi’s RS6 Avant, which was first shown at the 2007 […]

