audi Audi R18 e-tron quattro / R18 ultra 9:10 AM mohammed Audi R18 e-tron quattro: Comeback des Quattro-Antriebs im Motorsport / Comeback of quattro drive in motor sport. Audi R18 ultra: ultra-leichte Evolution eines Le-mans-Siegers / ultra light evolution of a Le Mans winner.
