'...the ability to traverse the rapidly crowding roads of Great Britain in less time, and with less, effort were points strong in its favour.' Johnny Green on the 3½-Litre, Bentley, 50 Years of the Marque .

Although Rolls-Royce's acquisition of Bentley Motors in 1931 robbed the latter of its independence, it did at least ensure the survival of the Bentley name.

Launched at Ascot in August 1933, the first of the 'Derby Bentleys', as they would come to be known, continued the marque's sporting associations but in a manner even more refined than before.

Even W O Bentley himself acknowledged that the 3½-Litre model was the finest ever to bear his name.

Based on the contemporary Rolls-Royce 20/25hp, the 3½-Litre Bentley was slightly shorter in the wheelbase and employed a tuned (115bhp) twin-SU-carburettor version of the former's overhead-valve six.

Add to this already remarkable package an all-synchromesh four-speed gearbox and servo assisted brakes, and the result was a vehicle offer...