The Subaru Rex Mareno is a front wheel drive motor car, with the engine mounted in the front, and a 5 door hatchback body.
The Subaru Rex Mareno's engine is a naturally aspirated petrol, 0.5 litre, single overhead camshaft 4 cylinder with 2 valves per cylinder. This powerplant produces 37 bhp (37.5 PS/27.6 kW) of power at 7500 rpm, and maximum torque of 44.1 N·m (32.5 lb·ft/4.5 kgm) at 4500 rpm.
The engine delivers its power through to the wheels via a 4 speed manual gearbox.
The claimed weight at the kerb is 610 kg.
Full specs
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| bodywork | |||
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| Body type | 4 seater hatchback | ||
| Number of doors | 5 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2295 mm | 90.4 inches | |
| Track/tread (front) | 1220 mm | 48 inches | |
| Track/tread (rear) | 1220 mm | 48 inches | |
| Length | 3195 mm | 125.8 inches | |
| Width | 1395 mm | 54.9 inches | |
| Height | 1420 mm | 55.9 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.39 | ||
| Kerb weight | 610 kg | 1345 lb | |
| Weight distribution | |||
| fuel tank capacity | 32 litres | 7 [8.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Subaru | ||
| Engine code | EN05 | ||
| Cylinders | Straight 4 | ||
| Capacity | 0.5 litre 547 cc (33.38 cu in) |
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| Bore × Stroke | 56 × 55.6 mm
2.2 × 2.19 in |
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| Bore/stroke ratio | 1.01 | ||
| Valve gear | single overhead camshaft (SOHC)
2 valves per cylinder 8 valves in total |
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| maximum power output | 37.5 PS (37 bhp) (27.6 kW) at 7500 rpm |
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| maximum torque | 44.1 Nm (32.5 ft·lb) (4.5 kgm) at 4500 rpm |
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| Specific output | 50.4 kW/litre 68.6 ps/litre 67.6 bhp/litre 1.11 bhp/cu in |
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| Specific torque |
80.62 Nm/litre
0.97 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 10:1 | ||
| Fuel system | variable venturi carburetor | ||
| bmep (brake mean effective pressure) | 1013.1 kPa (146.9 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 136.75 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | |||
| 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 61.5 PS/tonne (1000 kg) 0.06 PS/kg 45.23 kW/tonne (1000 kg) 0.05 kW/kg 60.66 bhp/tonne (1000 kg) 0.06 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 22.11 kg/kW 36.93 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 | unknown | ||
| Drive wheels | front wheel drive | ||
| Torque split | N/A | ||
| Steering | rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 135 SR 12 | ||
| Tyres rear | 135 SR 12 | ||
| Brakes F/R | Di/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | |||
| Final drive ratio | 4.88 | ||
| general | |||
| Carfolio.com ID | 843524 | ||
| Production total | |||
| Model code | E-KH1 | ||
| RAC rating | 7.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1989 Subaru Rex Mareno added 2025-11-02. Last modified 2025-11-08. |
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