1953 Bentley R-Type 41/2-Litre Saloon Chassis no. B582TW Engine no. B491T The policy of rationalisation begun in the late 1930s continued at Rolls-Royce after the war with the introduction of standard bodywork on the MkVI Bentley. Rolls-Royce's first post-World War II product, the latter was introduced in 1946, a year ahead of the Rolls-Royce Silver Wraith which, although mechanically similar to the MkVI, was nevertheless exclusively a coachbuilt car