Designed specificially to win the Le Mans 24-hour race, the slippery D-Type was produced by Jaguar Cars Ltd. between 1954 and 1957. Sharing the straight-6 XK engine and many mechanical components with its C-Type predecessor its structure however was radically different. Innovative monocoque construction and aerodynamic efficiency integrated aviation technology in a sports racing car, some examples including a renowned vertical stabilizer.