High Quality Content by WIKIPEDIA articles! The Cadillac Northstar LMP was a series of Le Mans Prototypes built by General Motors` Cadillac brand for use in the American Le Mans Series as well as an attempt to return Cadillac to the 24 Hours of Le Mans since they first entered in 1950. The Northstar LMPs were named after the Northstar V8 engines which powered them. The Cadillac project ran from 2000 until 2002 when GM decided to cancel the project to concentrate solely on their Chevrolet Corvette program.