Built by Jaguar's race team Tom Walkinshaw Racing to celebrate wins in endurance racing at Daytona and Le Mans, the XJR-15 was truly a race car made street-legal. Well, it's not as well-known as Jaguar's other supercar of the era, the XJ220 but it’s a true Jaguar and an important car in the big cat history. The XJR-15 uses the same carbon-fiber chassis as the XJR-9 Group C prototype and a version of the race car's naturally aspirated V12, here displacing 6.0 liters and making 450 hp. Its bodywork is all carbon too, with styling by Peter Stevens, who later went on to design the McLaren F1. The XJR-15 race series was to be held over three rounds as support races for the 1991 Formula 1 championship: Monaco, Silverstone, and Spa-Francorchamps.