The RS5’s aesthetic was inspired by Audi 90 Quattro IMSA GTO race car, and the new coupe’s boxy fender flares make it slightly wider than its tamer S5 sibling. Similarly, the RS gets a fatter grille than the A5 and S5, as well as front intakes large enough to swallow the tiny Fiats we encountered by the dozens in the Pyrenees. The overall effect is more sophisticated than feral, however, a motif that carries over to the mostly black cabin, which can be adorned with contrast stitching and red stripes on the seatbelts, but doesn’t get much flashier than that.