The Fiat 131 Mirafiori Estate is an estate/station wagon with 5 doors and a front mounted powerplant which delivers its power to the rear wheels.
The power is produced by a naturally aspirated engine of 1.3 litre capacity. This unit features overhead valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 54 bhp (55 PS/40 kW) of power at 5000 rpm, and maximum torque of 94 N·m (69 lb·ft/9.6 kgm) at 2700 rpm.
A 4 speed manual gearbox supplies the power to the wheels.
The stated kerb weight is 1020 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 | 4240 mm | 166.9 inches | |
| Width | 1630 mm | 64.2 inches | |
| Height | 1410 mm | 55.5 inches | |
| Ground clearance | 120 mm | 4.7 inches | |
| length:wheelbase ratio | 1.7 | ||
| Kerb weight | 1020 kg | 2249 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.000 | ||
| Cylinders | Straight 4 | ||
| Capacity | 1.3 litre 1297 cc (79.148 cu in) |
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| Bore × Stroke | 76 × 71.5 mm
2.99 × 2.81 in |
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| Bore/stroke ratio | 1.06 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output (DIN) |
55 PS (54 bhp) (40 kW) at 5000 rpm |
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| maximum torque (DIN) |
94 Nm (69 ft·lb) (9.6 kgm) at 2700 rpm |
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| Specific output (DIN) |
31 kW/litre 42.2 ps/litre 41.6 bhp/litre 0.68 bhp/cu in |
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| Specific torque (DIN) |
72.47 Nm/litre
0.88 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 7.8:1 | ||
| Fuel system | 1 Weber 32 ADF 7 carburettor | ||
| bmep (brake mean effective pressure) | 910.7 kPa (132.1 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 324.25 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 53.68 PS/tonne (1000 kg) 0.05 PS/kg 39.48 kW/tonne (1000 kg) 0.04 kW/kg 52.94 bhp/tonne (1000 kg) 0.05 bhp/kg 0.02 bhp/lb |
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| Weight-to-power ratio | Lower is better 25.33 kg/kW 42.31 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 | 560208 | ||
| Production total | |||
| Model code | |||
| RAC rating | 14.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1977 Fiat 131 Mirafiori Estate added 2018-10-07. Last modified 2020-03-16. |
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