 The XJ220 was developed from a V12 @-@ engined 4 @-@ wheel drive concept car designed by an informal group of Jaguar employees working in their spare time . The group wished to create a modern version of the successful Jaguar 24 Hours of Le Mans racing cars of the 1950s and ' 60s that could be entered into FIA Group B competitions . The XJ220 made use of engineering work undertaken for Jaguar 's then current racing car family . 
