Audi performance

    Audi RS4 B9 Mk1

    Choose your engine variant to see potential performance gains.

    RS TFSI (2.9 V6 BiTurbo) - 450 HP

    Stage 2 Available
    Original
    450 HP
    600 Nm
    Stage 1
    510 HP
    780 Nm
    +13% / +30%
    Stage 2
    530 HP
    800 Nm
    +18% / +33%

    Important Information

    • • All power and torque figures shown are up to the maximum potential gains. No two cars are the same.
    • • Actual results depend on vehicle condition, maintenance history, and driving style.
    • • Fuel economy improvements (up to 15%) apply to diesel engines only.
    • • ECU remapping may affect your manufacturer warranty - please check with your dealer.
    • • You must inform your insurance company of any ECU modifications.