Free Pontiac GTO Wallpapers.  The Pontiac GTO wallpapers here reflect that this was considered the first true muscle car.  Some disagree as the Corvette was popular years before this car.  The Pontiac GTO was made for only ten years from 1964 to 1974 and then was stopped.  Download these cool Pontiac GTO wallpapers for your computer and dream of owning one of these hotrods someday.  They are mean, loud and tough cars!