Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,078 pages of information and 222,858 images on early companies, their products and the people who designed and built them.
1902 Siddeley Autocar Co of Coventry, was founded by John Davenport Siddeley. Its products were heavily based on Peugeot, using many of their parts but fitted with English-built bodies. The early vehicles were actually made by Vickers at Crayford in Kent.
1903 January. At the Motor Show they displayed the 18-24hp (four-cylinder) and the 8-12hp (two-cylinder) cars with Peugeot chassis and running gear. Also 1 12-16hp (four-cylinder) and a 6hp (single-cylinder) from their collaboration with Vickers.
1905 January. Details of the 12-hp two-cylinder car. Built by Vickers at Crayford.
1905 February. Details of their 6 hp light car.
1905 Produced 6 h.p., 12 h.p., 15 h.p., 18 h.p., 25 h.p., 32 h.p. and 70 h.p. models of car. These were constructed by Wolseley. 
1905 September. Details of the Siddeley T.T. car.