#23. Ford Probe IV – 1983
Ford designers tried to come up with a design with extreme aerodynamic properties, so in 1983 they come up with the Probe IV. This car prototype was even more aerodynamic that they thought it would be. In fact, the Probe IV had the same drag coefficient as an F-16 fighter.
#22. Buick Y-Job – 1940
In the late 1930s, Buick designer called Harley Earl came up with an idea for creating an ultimate show car. He called it the Y-Job and loved it so much that when the company decided to pass on its production, Earl kept it for himself.