The Impala Bi-Fuel (CNG) is a front wheel drive saloon (sedan) motor car with a front mounted engine, manufactured by Chevrolet.
The power is produced by a naturally aspirated engine of 3.6 litre capacity. This unit features double overhead camshaft valve gear, a 60 degree V 6 cylinder layout, and 4 valves per cylinder. It has an output of 230 bhp (233 PS/172 kW) of power, and maximum torque of 295 N·m (218 lb·ft/30.1 kgm).
The engine powers the wheels via a 6 speed automatic gearbox.
It weighs a stated 1894 kg at the kerb.
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 | 2837 mm | 111.7 inches | |
| Track/tread (front) | 1580 mm | 62.2 inches | |
| Track/tread (rear) | 1575 mm | 62 inches | |
| Length | 5113 mm | 201.3 inches | |
| Width | 1854 mm | 73 inches | |
| Height | 1496 mm | 58.9 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.8 | ||
| Kerb weight | 1894 kg | 4176 lb | |
| Weight distribution | |||
| fuel tank capacity | |||
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated compressed natural gas | ||
| Engine manufacturer | GM | ||
| Engine code | LFX | ||
| Cylinders | V 6 in 60° vee | ||
| Capacity | 3.6 litre 3564 cc (217.489 cu in) |
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| Bore × Stroke | 94 × 85.6 mm
3.7 × 3.37 in |
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| Bore/stroke ratio | 1.1 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 24 valves in total |
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| maximum power output (SAE net) |
233 PS (230 bhp) (172 kW) |
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| maximum torque (SAE net) |
295 Nm (218 ft·lb) (30.1 kgm) |
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| Specific output (SAE net) |
48.1 kW/litre 65.4 ps/litre 64.5 bhp/litre 1.06 bhp/cu in |
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| Specific torque (SAE net) |
82.77 Nm/litre
1 ft·lb/cu3 |
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| Engine construction | cast aluminum block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 11.5:1 | ||
| Fuel system | MPFI | ||
| bmep (brake mean effective pressure) | 1040.1 kPa (150.9 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 594 cc | ||
| Aspiration | Normal CNG | ||
| 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 123.12 PS/tonne (1000 kg) 0.12 PS/kg 90.55 kW/tonne (1000 kg) 0.09 kW/kg 121.44 bhp/tonne (1000 kg) 0.12 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 11.04 kg/kW 18.45 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 19/29 US MPG EPA city/highway | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 12.4/8.1 l/100km city/highway | ||
| km/litre | 8.1/12.3 km/l city/highway | ||
| UK MPG | 22.8/34.8 UK MPG city/highway | ||
| US MPG | 19.0/29.0 US MPG city/highway | ||
| 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 | 2.730 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| 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 | 321 mm | ||
| Rear brake diameter | 315 mm | ||
| Braked area | |||
| Gearbox | 6 speed automatic | ||
| Top gear ratio | 0.74 | ||
| Final drive ratio | 2.77 | ||
| general | |||
| Carfolio.com ID | 402380 | ||
| Production total | |||
| Model code | |||
| RAC rating | 32.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2015 Chevrolet Impala Bi-Fuel (CNG) added 2015-02-22. Last modified 2020-02-02. |
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