It was to have a mid-mounted V-12 spitting out tremendous power to all four wheels and a top speed that would brush 220 mph. Investors from all over the world lined up. See All 23 Photos ...

Jay Leno pays tribute in this latest video. Originally envisioned with a V12 engine and all-wheel drive, the XJ220 ultimately surfaced with a 3.5-liter twin-turbo V6 driving the rear wheels alone.