When entrepreneur, sailor and auto racer Briggs Cunningham was granted two entries for the 1950 24 Hours of Le Mans, the easy option would have been to buy a couple of European-made sports cars. But Cunningham wanted his debut in the French endurance classic to be an all-American affair, instead...

Like now, when Cadillac entered endurance racing in 2000, a street-car engine was at the heart of it all.A half century after its first and only foray to the 24 Hours of Le Mans, Cadillac dared to be different when it returned to northern France in 2000.While others vying for...