The Pontiac GTO is widely recognized as the genesis of the American muscle car golden age, and now, we're taking a look at these classic GTO concept sketches.

something that looks really cool or introduces some novel design concepts, but which would never be practical on the road. Sometimes, a concept car is kind of a rough sketch for an eventual ...

The criteria are that the car must have a manual gearbox, be made between 1959 and 1976, preferably European, hopefully a convertible and cost 15,000-25,000 Canadian dollars ($12,525-$20,870).