2011 Audi S4 vs 2003 BMW M3

30 MPH, Audi has an intake, BMW has an Exhaust. Audi is DSG, BMW is 6 speed.

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Audi S4 vs BMW M3 Street Racing
A roll in 2nd gear from 40mph. 650i chase car. S4 had the lead by about half a car length.

Audi S4 vs Porsche turbo
Racing a 2001 stock 911 turbo, he got the jump on the start, but I caught him. Stage 3 2001 Audi S4 running an aggressive pump tune with shell V-power 356WHP, keep in mind Audi's lose 25-30% HP through the drivetrain. Didn't wanna hurt my clutch too much so I didn't launch to its full potential.

2010 Audi S4 vs. 2007 Audi RS4
The Smoking Tire takes two hot Audi's, the 2010 S4 and the 2007 RS4, up into the canyons of Malibu to find out how their newest sport sedan compares to their best sport sedan.

Audi S4 v Audi RS4. Does Supercharging Rule? - /CHRIS HARRIS ON CARS
Can REVO Technik make a raggedy old S4 match the gorgeous new RS4? Drag race to find out.