A rare Jaguar XJR-15 race car is for sale, complete with a 450-horsepower, 6.0-liter V-12 engine. Juan Manuel Fangio II raced it to victory at the 1991 Formula One support race at Silverstone.

It modified the Jaguar XJS into the XJR-S, which featured a more aggressive body kit and a more powerful V12 engine. The company also developed the XJR-15 supercar (pictured above), featuring ...

But as a road car the XJR-15 was unapologetically raw, hardly bothering to mask its competition roots. For customers brave enough to want to use the car on the road, Jaguar Sport fitted bumpers ...