The Fiat 600 is a rear-engine, water-cooled city car, manufactured and marketed by Fiat from 1955 to 1969 — offered in two-door sedan and four-door mini-MPV body styles. Measuring only 3.22 m (10 ft 7 in) long, it was the first rear-engined Fiat and cost the equivalent of about €6,700 or US$7300 in today's money (590,000 lire then). The total number produced from 1955 to 1969 at the Mirafiori plant in Turin was 2,695,197.
The car had hydraulic drum brakes on all four wheels. Suspension was a single double-mounted leafspring—which acts as a stabilizer—between the front wheels coupled to gas-charged shock absorbers, and an independent coil-over-shock absorber setup coupled to semi-trailing arms at the rear. All 600 models had 3-synchro (no synchro on 1st) 4-speed transaxles. Unlike the Volkswagen Beetle or Fiat 500, the Fiat 600 is water-cooled with an ample cabin heater and, while cooling is generally adequate, for high-power modified versions a front-mounted radiator or oil cooler is needed to complement the rear-mounted radiator. All models of the 600 had generators with mechanical external regulators.
The top speed ranged from 95 km/h (59 mph) empty with the 633 cc inline-four engine to 110 km/h (68 mph) with the 767 cc version. The car had good ventilation and defrosting systems.