The Fiat 509 was a model of car produced by Italian automotive manufacturer Fiat between 1925 and 1929 as a replacement for the 501. Approximately 90,000 of the model were sold. In 1926 the car was upgraded to the 509A. For 1928, the 509 was offered with standard insurance, also.G.N. Georgano Cars: Early and Vintage, 1886-1930. (London: Grange-Universal, 1990), p.8
In addition to as the standard car, there were 509S and 509SM sports models, as well as taxi and commercial versions.
Engines The Fiat 509 was fitted with a 990 cc overhead cam engine. ModelYearsEngineDisplacementPowerFuel system5091924-29inline-four SOHC990 ccsingle carburetor509 S1925-29inline-four SOHC990 ccsingle carburetor509 SM1925-29inline-four SOHC990 ccsingle carburetor
In popular culture A yellow and black Fiat 509 serves as the car of the Belgian comic character Gaston Lagaffe and is the center of many gags throughout the series.
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