Available in coupé body, the RS5 features a 4. 2 FSI engine rated at 450 PS (331 kW; 444 hp) at 8250 rpm and 430 N⋅m (317. 15 lb⋅ft) at 4000-6000 rpm, coupled with a seven-speed S tronic transmission and quattro permanent all-wheel drive with crown-gear centre differential and electronic torque vectoring. It has 19 inch alloy wheels in an exclusive five arm structure design with 275/35 tires (optional 19 inch winter wheels), 365 mm (14. 37 in) diameter ventilated aluminum front brake discs (optional 380 mm (14. 96 in) diameter carbon ceramic front brake discs), aluminum 8 piston brake calipers with RS logos in high-gloss black, electronic stabilization program with integrated sport mode, speed dependent servotronic steering, Audi drive select with three (4 with MMI navigation system) modes of operation (comfort, auto, and dynamic, optional custom), and optional dynamic steering.