The Bonneville GXP is a front wheel drive saloon (sedan) motor vehicle with a front placed engine, sold by Pontiac.
The 8 cylinder, double overhead camshaft naturally aspirated powerplant has 4 valves per cylinder and a displacement of 4.6 litres. It provides power and torque figures of 275 bhp (279 PS/205 kW) at 5600 rpm and 300 Nm (221 lbft/30.6 kgm) at 4000 rpm respectively.
The power is transferred to the wheels via a 4 speed automatic gearbox.
Its quoted kerb weight is 1719 kg.
Full specs
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Applicable to the USA domestic market(s). | ||
| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2850 mm | 112.2 inches | |
| Track/tread (front) | 1590 mm | 62.6 inches | |
| Track/tread (rear) | 1577 mm | 62.1 inches | |
| Length | 5146 mm | 202.6 inches | |
| Width | 1885 mm | 74.2 inches | |
| Height | 1438 mm | 56.6 inches | |
| Ground clearance | 137 mm | 5.4 inches | |
| length:wheelbase ratio | 1.81 | ||
| Kerb weight | 1719 kg | 3790 lb | |
| Weight distribution | 61% front | ||
| fuel tank capacity | 70 litres | 15.4 [18.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | Northstar | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 4.6 litre 4565 cc (278.573 cu in) |
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| Bore × Stroke | 93 × 84 mm
3.66 × 3.31 in |
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| Bore/stroke ratio | 1.11 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 32 valves in total |
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| maximum power output | 279 PS (275 bhp) (205 kW) at 5600 rpm |
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| maximum torque | 300 Nm (221 ft·lb) (30.6 kgm) at 4000 rpm |
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| Specific output | 44.9 kW/litre 61.1 ps/litre 60.2 bhp/litre 0.99 bhp/cu in |
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| Specific torque |
65.72 Nm/litre
0.79 ft·lb/cu3 |
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| Engine construction | aluminium block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 10:1 | ||
| Fuel system | SFi | ||
| bmep (brake mean effective pressure) | 825.8 kPa (119.8 psi) | ||
| Maximum RPM | 6500 rpm | ||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 570.63 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 162.2 PS/tonne (1000 kg) 0.16 PS/kg 119.29 kW/tonne (1000 kg) 0.12 kW/kg 159.98 bhp/tonne (1000 kg) 0.16 bhp/kg 0.07 bhp/lb |
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| Weight-to-power ratio | Lower is better 8.38 kg/kW 14 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 | |||
| turns lock-to-lock | 3.200 | ||
| Turning circle | |||
| Front suspension | I.MS.CS.ARB. | ||
| Rear suspension | I.CS.ARB. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | P235/50 R 18 | ||
| Tyres rear | P235/50 R 18 | ||
| Brakes F/R | VeDi/Di-S-ABS | ||
| Front brake diameter | 356 mm | ||
| Rear brake diameter | 330 mm | ||
| Braked area | |||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | 0.68 | ||
| Final drive ratio | 3.71 | ||
| general | |||
| Carfolio.com ID | 115302 | ||
| Production total | |||
| Model code | |||
| RAC rating | 42.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2003 Pontiac Bonneville GXP (2004) added 2003-10-22. Last modified 2013-02-28. |
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