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 1929 Ford Model A 1958 Cadillac Eldorado Biarritz | Convertible 1957 Ford Sunliner The Cult of the Mustang | Muscle Car 1956 Buick Special | Classic Car 1959 Edsel Ranger |Classic Car