The Opel Commodore 2.5E is a saloon (sedan) with 4 doors and a front mounted engine which delivers the power through the rear wheels.
The 6 cylinder, overhead valve naturally aspirated powerplant has 2 valves per cylinder and a capacity of 2.5 litres. This unit develops power and torque figures of 128.5 bhp (130 PS/96 kW) at 5600 rpm and 185 Nm (136 lbft/18.9 kgm) at 4600 rpm respectively.
The engine transmits power to the wheels via a 4 speed automatic gearbox.
The Opel Commodore 2.5E weighs a quoted 1257 kg at the kerb.
The Opel Commodore 2.5E is claimed to manage a maxiumum speed of 185 km/h, or 115 mph, official fuel consumption is 9.2/11.6/13.5 l/100km 900 km/h / 120 km/h / city.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2668 mm | 105 inches | |
| Track/tread (front) | 1447 mm | 57 inches | |
| Track/tread (rear) | 1424 mm | 56.1 inches | |
| Length | 4705 mm | 185.2 inches | |
| Width | 1722 mm | 67.8 inches | |
| Height | 1410 mm | 55.5 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.76 | ||
| Kerb weight | 1257 kg | 2771 lb | |
| Weight distribution | |||
| fuel tank capacity | 65 litres | 14.3 [17.2] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Opel | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 2.5 litre 2490 cc (151.949 cu in) |
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| Bore × Stroke | 87 × 69.8 mm
3.43 × 2.75 in |
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| Bore/stroke ratio | 1.25 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 12 valves in total |
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| maximum power output | 130 PS (128.5 bhp) (96 kW) at 5600 rpm |
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| maximum torque | 185 Nm (136 ft·lb) (18.9 kgm) at 4600 rpm |
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| Specific output | 38.5 kW/litre 52.3 ps/litre 51.6 bhp/litre 0.85 bhp/cu in |
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| Specific torque |
74.3 Nm/litre
0.9 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9.2:1 | ||
| Fuel system | Bosch L-jetronic fuel injection | ||
| bmep (brake mean effective pressure) | 933.6 kPa (135.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 415 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 12.5 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 185 km/h (115 mph) | ||
| Power-to-weight ratio | Higher is better 103.65 PS/tonne (1000 kg) 0.1 PS/kg 76.23 kW/tonne (1000 kg) 0.08 kW/kg 102.23 bhp/tonne (1000 kg) 0.1 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 13.12 kg/kW 21.91 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 9.2/11.6/13.5 l/100km 900 km/h / 120 km/h / city | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 9.2/11.6/13.5 l/100km 900kmph/120kmph/city | ||
| km/litre | 10.9/8.6/7.4 km/l 900kmph/120kmph/city | ||
| UK MPG | 30.7/24.4/20.9 UK MPG 900kmph/120kmph/city | ||
| US MPG | 25.6/20.3/17.4 US MPG 900kmph/120kmph/city | ||
| 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 | 6J x 14 | ||
| Wheel size rear | 6J x 14 | ||
| Tyres front | 175 HR 14 88H | ||
| Tyres rear | 175 HR 14 88H | ||
| Brakes F/R | Di/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | |||
| Final drive ratio | 3.45 | ||
| general | |||
| Carfolio.com ID | 537977 | ||
| Production total | |||
| Model code | |||
| RAC rating | 28.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1981 Opel Commodore 2.5E Automatic added 2018-01-02. Last modified 2020-03-16. |
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