-8250rpm high rev V8 with the fastest pistons speed on a production car, until the new r8 v10 was released : "Twenty-five point seven meters per second is precisely the average speed of the RS 4’s 8 pistons as it’s humming along at a stratospheric 8250 RPM. That’s faster than any offering from BMW, Porsche, Ferrari, or Honda. In fact, no other production car has a higher mean piston speed. It even matches the world champion 19,000 RPM Renault RS25 F1 in terms of reciprocating velocity. "
-JHM tune with launch assist for some 4 wheel spin action