The defining appeal is the naturally-aspirated 4.2 V8: a high-revving engine with a valved sport exhaust that owners describe as singing like nothing else, plus a sport differential that makes a heavy AWD coupe rotate. With the B9 moving to a turbo V6, the B8 is the RS5 enthusiasts chase for the sound and the revs.
The last NA V8 RS5 — bought for the 8,250-rpm soul
Audi RS5 (B8) · ownership-experience