The 131 Mirafiori Estate Special is a road car from Fiat, with rear wheel drive, a front mounted engine and a 5 door estate/station wagon body style.
Power is supplied by an overhead valve, 1.6 litre naturally aspirated 4 cylinder engine, with 2 valves per cylinder that provides power and torque figures of 74 bhp (75 PS/55 kW) at 5200 rpm and 124 N·m (91 lb·ft/12.6 kgm) at 3000 rpm respectively.
A 4 speed manual gearbox transmits the power to the wheels.
Quoted kerb weight is 1030 kg.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater estate/station wagon | ||
| Number of doors | 5 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2490 mm | 98 inches | |
| Track/tread (front) | 1370 mm | 53.9 inches | |
| Track/tread (rear) | 1315 mm | 51.8 inches | |
| Length | 4265 mm | 167.9 inches | |
| Width | 1630 mm | 64.2 inches | |
| Height | 1410 mm | 55.5 inches | |
| Ground clearance | 120 mm | 4.7 inches | |
| length:wheelbase ratio | 1.71 | ||
| Kerb weight | 1030 kg | 2271 lb | |
| Weight distribution | |||
| fuel tank capacity | 50 litres | 11 [13.2] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Fiat | ||
| Engine code | 131 A 1.000 | ||
| Cylinders | Straight 4 | ||
| Capacity | 1.6 litre 1585 cc (96.723 cu in) |
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| Bore × Stroke | 84 × 71.5 mm
3.31 × 2.81 in |
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| Bore/stroke ratio | 1.17 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output (DIN) |
75 PS (74 bhp) (55 kW) at 5200 rpm |
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| maximum torque (DIN) |
124 Nm (91 ft·lb) (12.6 kgm) at 3000 rpm |
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| Specific output (DIN) |
34.8 kW/litre 47.3 ps/litre 46.7 bhp/litre 0.77 bhp/cu in |
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| Specific torque (DIN) |
78.23 Nm/litre
0.95 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9.2:1 | ||
| Fuel system | 1 Weber 32 ADF 7 carburettor | ||
| bmep (brake mean effective pressure) | 983.1 kPa (142.6 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 396.25 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | |||
| Power-to-weight ratio | Higher is better 72.84 PS/tonne (1000 kg) 0.07 PS/kg 53.57 kW/tonne (1000 kg) 0.05 kW/kg 71.84 bhp/tonne (1000 kg) 0.07 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 18.67 kg/kW 31.18 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 155 SR 13 | ||
| Tyres rear | 155 SR 13 | ||
| Brakes F/R | |||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 4.10 | ||
| general | |||
| Carfolio.com ID | 560197 | ||
| Production total | |||
| Model code | |||
| RAC rating | 17.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1977 Fiat 131 Mirafiori Estate Special added 2018-10-07. Last modified 2020-03-16. |
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