Rolls-Royce 20 hp (1905)
 The Rolls-Royce 20 hp was one of four cars to be produced as a result of an agreement of 23 December 1904 between Charles Rolls and Henry Royce. Badged as a Rolls-Royce the 20 hp was produced during 1905 and 1906 by Royce's company Royce Ltd. at its factory in Trafford Park Manchester. It was sold exclusively by Rolls' motor dealership C.S.Rolls & Co. at a price of GBP650.