Introducing new Audi RS5, the classically elegant, high performance coupe. Audi has confirmed that it intends to sell the Audi RS5 in the U.S. market starting in 2012. The high-revving 4.2-liter V8 engine in the Audi RS 5 Coupe generates 450 horsepower. Like all Audi RS models sold in Europe and other markets, the RS 5 Coupe applies its power to the road with quattro permanent all-wheel drive.