Audi RS4 v BMW M3 CS drag race - video

Ever wondered if the Audi RS4 is quicker than a BMW M3 CS ? Well, your question is about to be answered. In the latest instalment of his drag race series, Mat Watson from Carwow pits Audi's medium-sized fast wagon against the hottest version of BMW's current-generation M3 in a straight-line race, along with a rolling acceleration test.