10. Citroën SM

A marvel of French engineering, the Citroën SM combined Maserati power with a highly streamlined body and spaceship-like glasshouse. Its high-tech features echoed the Jet Age. (classicandsportscar.com)

A marvel of French engineering, the Citroën SM combined Maserati power with a highly streamlined body and spaceship-like glasshouse. Its high-tech features echoed the Jet Age. (classicandsportscar.com)