It's easily one of the best supercars ever made.
To put it kindly, the Jaguar XJ220 was a disappointment when it came out. The supercar was supposed to come with a version of the V12 used in the Le Mans-winning XJR-9 and all-wheel drive. Instead, it came with a twin-turbo 3.5-liter V6 that was developed from a rally car and rear-wheel drive. When customers realized that the XJ220 would not come with a V12, they were upset. This and a global recession forced Jaguar to return the majority of the deposits on the XJ220, which ruined the supercar's image.
It may have been the fastest car in the world, but the XJ220 has always been outshined by the McLaren F1. It's taken a long time, but enthusiasts like Jay Leno have finally realized that the XJ220 was and still is a magical car.