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A Renault 4CV at the 1952 24 Hours of Le Mans. Obviously, the 4CV was designed to compete with the VW Beetle. It was the first French car to sell over 1 million units. It differed from the Beetle by having four doors (front suicide doors as well, an interesting feature brought back from before the war). However, it had the same type of rear-engined, rear wheel drive layout.