The Mid-Size 5. From Plymouth '68. Now a Totally new line of mid-sized cars. Swift. Young. Nimble Sized. By Name: GTX. Sport Satellite. Satellite. Road Runner. And Belvedere. Part of the Plymouth win-you-over beat goes ❤️. A Plymouth Dealer sales brochure, full of 24 pages of beautiful color pictures, and Automotive literature from its time!