Bentley S1 – luxury car produced by the British company Bentley 1955-1959. Available as a 4-door saloon or two-door coupé. Successor to the R-Type. Used to drive six-cylinder in-line engine with a capacity of 4.9 liters. Power was transferred to the rear wheels through a 4-speed manual or automatic gearbox. It was replaced by the Bentley S2.