1955 Chrysler Imperial Convertible. From 1955 through 1975, Imperial was a standalone marque. After 1975 it was brought back in to the Chrysler fold…but in the two decades Imperial stood alone, it made some magnificent luxury cars to rival Cadillac and Lincoln. Models include the Imperial Crown, Custom and LeBaron sedans, coupes and convertibles. | Cars & Motorbikes Stars of the Golden era