Following Audi’s success with the diesel powered “R10” and barely a month after the Spanish firm announced that it’ll enter the FIA World Touring Car Championship with the Leon TDI, Seat became the first manufacturer to win a round of the WTCC series in a diesel powered car. The Seat Leon TDI WTCC, driven by Yvan Muller, won the first of two races at the Motorsport Arena in Oschersleben, Germany