Four decades before they finally decided to join forces, Volkswagen and Porsche collaborated on this mid-engined, targa-topped roadster that was one of the strangest cars either company ever produced. Built from 1969 to 1976, the 914's wide track provided unusual stability in cornering, but the 80 horsepower that the four-cylinder version put out made it a bit of a slug -- getting to 62 mph required 13 seconds. The two companies feuded over marketing arrangements, and the 914 quickly sank from view. Used models today go for as little as $3,000.
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