Fiat 131 Mirafiori
| Fiat 131 | |
|---|---|
Fiat 131 (Series 1)
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| Overview | |
| Manufacturer | Fiat |
| Also called |
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| Production | 1974–1984 |
| Assembly |
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| Body and chassis | |
| Class | Family car |
| Body style | |
| Layout | Front-engine, rear-wheel-drive |
| Related |
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| Powertrain | |
| Engine | |
| Transmission | |
| Dimensions | |
| Wheelbase | 2,490 mm (98.0 in) |
| Length | 4,230 to 4,264 mm (166.5 to 167.9 in) |
| Width | 1,644 to 1,651 mm (64.7 to 65.0 in) |
| Height | 1,381 to 1,411 mm (54.4 to 55.6 in) |
| Kerb weight | 950 to 1,145 kg (2,094 to 2,524 lb) |
| Chronology | |
| Predecessor | Fiat 124 |
| Successor | Fiat Regata |
The Fiat 131 is a family sedan manufactured and marketed by Fiat from 1974 to 1984 after its debut at the 1974 Turin Motor Show. Available as a two-door and four-door saloon and 5-door estate across a single generation, the 131 succeeded Fiat 124.
The 131 was also marketed as the Fiat Mirafiori, after the Turin suburb where the cars were manufactured. Initially, the 131 was offered with 1.3 L and 1.6 L overhead valve engines and the range received revisions in 1978 and 1981. When production ended in 1984, 1,513,800 131 models had been marketed.
The Fiat 131 used steel monocoque bodywork for its three-box design and used a front engine, rear-wheel drive layout, where the engine is longitudinally front-mounted. The gearbox is directly behind the engine, and a tubular propeller shaft, under the transmission "tunnel", transmits the drive to a solid live rear axle.
The engines were all inline-four types, derived from those used in the outgoing 124 range, with a cast iron cylinder block and aluminium alloy cylinder head. Initially the 131 was offered only with pushrod valve gear, which offered the innovation of being the worldwide first engine with OHV valve gear and a belt driven camshaft. Only later in the model’s life came the well known double overhead camshaft (DOHC) engines which used a toothed timing belt. Fuel supply was via a single Weber ADF twin-choke carburettor, fed from a trunk mounted steel fuel tank. Traditional contact breaker ignition systems were used, usually with Marelli distributors.
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