| This article relies largely or entirely on a single source .(January 2019) | 
| Fiat 509 | |
|---|---|
|   Fiat 509 Spider 1925 | |
| Overview | |
| Manufacturer | Fiat | 
| Production | 1924–1929 | 
| Body and chassis | |
| Class | Small family car (C) | 
| Body style | 2/4-door sedan 2/4-door cabriolet 2-door spyder | 
| Layout | FR layout | 
| Powertrain | |
| Engine | 990 cc SOHC I4 | 
| Transmission | 3-speed manual | 
| Dimensions | |
| Wheelbase | 255 cm (100.4 in) | 
| Curb weight | 650 kg (1,430 lb)-800 kg (1,800 lb) | 
| Chronology | |
| Predecessor | Fiat 501 | 
| Successor | Fiat 508 | 
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. [1]
In addition to as the standard car, there were 509S and 509SM sports models, as well as taxi and commercial versions.
The Fiat 509 was fitted with a 990 cc overhead cam engine.
| Model | Years | Engine | Displacement | Power | Fuel system | 
|---|---|---|---|---|---|
| 509 | 1924-29 | inline-four SOHC | 990 cc | 22 PS (16 kW) | single carburetor | 
| 509 S | 1925-29 | inline-four SOHC | 990 cc | 27 PS (20 kW) | single carburetor | 
| 509 SM | 1925-29 | inline-four SOHC | 990 cc | 30 PS (22 kW) | single carburetor |