1955 Buick Roadmaster FacebookTweetPin 1955 Buick Roadmaster. This old car was built on Buick’s longest non-limousine wheelbase and shared its basic structure with entry-level Cadillac. FacebookTweetPin Related 1957 Chevy Black Widow Citroen XM Cuba Classic Car 400m Drag race 1959 Dual-Ghia | Convertible Old Car 1946 Plymouth Special Deluxe 1940 Ford Coupe Street Rod