Citroën GS

A mid-size car with hydropneumatic suspension and an air-cooled flat engine.
The GS was named European Car of the Year in 1971. It had the DS's suspension in a smaller, cheaper car.
Materials: Steel monocoque body; four-cylinder flat engine
Manufacture: Made in Rennes.
The wedge-shaped side with a long, sloping tail.
The half-covered rear wheels.