The Fiat 501 is a car produced by Fiat between 1919 and 1926. The 501 was Fiat's first model after World War I. Fiat introduced the S and SS sports versions of the 501 in 1921. Fiat produced 69,618 501s in total.Editoriale Domus - Quattroruote - FIAT : Tutti i modelli del Novecento (All the models of the 20th) - Vol.1
Engines ModelYearsEngineDisplacementPowerFuel system5011919-26 sidevalve,straight-four 1460 cc single carburetor501 S1921-26 501 SS1921-26
References
Fiat Personenwagen, Fred Steiningen, 1994.