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 1963 Chevrolet Impala SS 1957 Chevy Bel Air | Old Car 1948 Cadillac Series 61 Sedanette 1955 Chevy Bel Air 1956 Chevrolet 210 | Old Car 1957 Chevrolet Bel Air Hardtop 283CI V8