Audi Ur-S4 / Ur-S6
The Ur-S4 was produced from 1991 to 1994, while the Ur-S6 was produced from 1995 to 1997. They both featured a 2.2 litre, 5-cylinder engine with turbocharging and an intercooler, with of torque. In Europe, V8-powered versions of both S4 and S6 were available. The S4 version sported a engine (the same "ABH" engine as in Audi V8), the S6 had an upgraded engine "AEC" with . American versions featured a 5-speed manual transmission and in Europe a 6-speed, as well as a 4-speed automatic transmission could be substituted.
Audi A5
Available in coupé body, the RS5 features a 4.2 FSI engine rated @8250rpm and @4000-6000rpm, 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), diameter ventilated aluminum front brake discs (optional 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.