18. 1955 Mercedes Benz 300SL “Gullwing”
About the only car in history that can challenge this one’s famous doors is Marty McFly’s DeLorean from the Back to the Future film franchise. It was a racer before becoming a production car and was introduced at the 1954 New York Auto Show and of the first 1,400 built, 1,100 were sold in the US, giving credence to the debut of the car in New York. The doors were the car’s signature look, but made them difficult to get in and out of.