The Vauxhall Astra Saloon 1.4i Si is a saloon (sedan) with 4 doors and a front mounted engine which transmits its power through the front wheels.
It forms part of Vauxhall's Astra F model range.
The 1.4 litre engine is a naturally aspirated, single overhead camshaft, 4 cylinder that develops 81 bhp (82 PS/60 kW) of power at 5800 rpm, and maximum torque of 113 N·m (83 lb·ft/11.5 kgm) at 3400 rpm.
The engine transfers its power through to the wheels via a 5 speed manual gearbox.
The quoted weight at the kerb is 1008 kg.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2517 mm | 99.1 inches | |
| Track/tread (front) | 1425 mm | 56.1 inches | |
| Track/tread (rear) | 1422 mm | 56 inches | |
| Length | 4239 mm | 166.9 inches | |
| Width | 1689 mm | 66.5 inches | |
| Height | 1410 mm | 55.5 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.68 | ||
| Kerb weight | 1008 kg | 2222 lb | |
| Weight distribution | |||
| fuel tank capacity | 52 litres | 11.4 [13.7] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.31 | ||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 1.4 litre 1389 cc (84.762 cu in) |
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| Bore × Stroke | 77.6 × 73.4 mm
3.06 × 2.89 in |
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| Bore/stroke ratio | 1.06 | ||
| Valve gear | single overhead camshaft (SOHC)
2 valves per cylinder 8 valves in total |
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| maximum power output (DIN) |
82 PS (81 bhp) (60 kW) at 5800 rpm |
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| maximum torque (DIN) |
113 Nm (83 ft·lb) (11.5 kgm) at 3400 rpm |
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| Specific output (DIN) |
43.5 kW/litre 59.1 ps/litre 58.3 bhp/litre 0.96 bhp/cu in |
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| Specific torque (DIN) |
81.35 Nm/litre
0.98 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9.8:1 | ||
| Fuel system | Rochester Multec M multi-port fuel injection | ||
| bmep (brake mean effective pressure) | 1022.3 kPa (148.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 347.25 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| 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 81.47 PS/tonne (1000 kg) 0.08 PS/kg 59.92 kW/tonne (1000 kg) 0.06 kW/kg 80.36 bhp/tonne (1000 kg) 0.08 bhp/kg 0.04 bhp/lb |
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| Weight-to-power ratio | Lower is better 16.69 kg/kW 27.88 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 5.7/7.3/9.3 l/100km 90 km/h / 120 km/h / urban | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 5.7/7.3/9.3 l/100km 90kmph/120kmph/urban | ||
| km/litre | 17.5/13.7/10.8 km/l 90kmph/120kmph/urban | ||
| UK MPG | 49.6/38.7/30.4 UK MPG 90kmph/120kmph/urban | ||
| US MPG | 41.3/32.2/25.3 US MPG 90kmph/120kmph/urban | ||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | transverse | ||
| Drive wheels | front wheel drive | ||
| Torque split | N/A | ||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | 3.430 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 5½ x 14 | ||
| Wheel size rear | 5½ x 14 | ||
| Tyres front | 185/60 R 14 | ||
| Tyres rear | 185/60 R 14 | ||
| Brakes F/R | Di/Dr-S | ||
| Front brake diameter | 236 mm | ||
| Rear brake diameter | 201 mm | ||
| Braked area | |||
| Gearbox | 5 speed manual | ||
| Top gear ratio | 0.89 | ||
| Final drive ratio | 3.94 | ||
| general | |||
| Carfolio.com ID | 566456 | ||
| Production total | |||
| Model code | |||
| Model family | Astra F | ||
| RAC rating | 14.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1991 Vauxhall Astra Saloon 1.4i Si added 2018-11-13. Last modified 2020-03-16. |
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