Here is a greater insight into the highly anticipated 2013 Audi RS4 Avant which was initially unveiled at the Geneva Motor Show. Highlighted by a 4.2-liter V8 that delivers 450 horsepower and a top speed of 174 mph, boasting zero to sixty in only 4.7 seconds. In addition to this the all-wheel drive RS4 also contains ceramic wave-design disc brakes, an all-new electromechanical power steering system, and lowered ride height to increase aerodynamic for higher speed .

Thanks to Autoblog for the info.