Cars RS version of Audi’s sleek A5 coupe has been rumored for long, and now we can confirm its existence and possible debut at next month’s Geneva show, thanks to these leaked brochure images. Not much is known technically, but some parties have said that the RS5 will be powered by a naturally aspirated 4.2-liter V8 with around 450bhp and 450 NM Cars United State Of America, Car United State Of America, USA Car, USA Cars, Car USA, Cars USA.