The BMW 420d Gran Coupé is a rear wheel drive motor vehicle, with the engine mounted in the front, and a 4 door saloon (sedan) bodyshell.
It is part of BMW's G26 family of cars.
The BMW 420d Gran Coupé's engine is a turbocharged diesel, 2 litre, double overhead camshaft 4 cylinder with 4 valves per cylinder. It produces 187.5 bhp (190 PS/140 kW) of power at 4000 rpm, and maximum torque of 400 N·m (295 lb·ft/40.8 kgm) at 1750-2500 rpm.
The engine drives the wheels via an 8 speed automatic set of gears.
Claimed weight at the kerb is 1780 kg.
The BMW 420d Gran Coupé is claimed to achieve a top speed of 235 km/h, or 146 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2856 mm | 112.4 inches | |
| Track/tread (front) | 1595 mm | 62.8 inches | |
| Track/tread (rear) | 1623 mm | 63.9 inches | |
| Length | 4783 mm | 188.3 inches | |
| Width | 1852 mm | 72.9 inches | |
| Height | 1442 mm | 56.8 inches | |
| Ground clearance | 140 mm | 5.5 inches | |
| length:wheelbase ratio | 1.67 | ||
| Kerb weight | 1780 kg | 3924 lb | |
| Weight distribution | |||
| fuel tank capacity | 59 litres | 13 [15.6] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.26 | ||
| Frontal area | 2.31 m² | ||
| CdA | 0.60 | ||
| Powertrain | |||
| engine type | turbocharged diesel | ||
| Engine manufacturer | BMW | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 2 litre 1995 cc (121.742 cu in) |
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| Bore × Stroke | 84 × 90 mm
3.31 × 3.54 in |
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| Bore/stroke ratio | 0.93 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 16 valves in total |
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| maximum power output | 190 PS (187.5 bhp) (140 kW) at 4000 rpm |
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| maximum torque | 400 Nm (295 ft·lb) (40.8 kgm) at 1750-2500 rpm |
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| Specific output | 70.1 kW/litre 95.3 ps/litre 94 bhp/litre 1.54 bhp/cu in |
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| Specific torque |
200.5 Nm/litre
2.42 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 16.5:1 | ||
| Fuel system | common rail direct diesel injection | ||
| bmep (brake mean effective pressure) | 2519.6 kPa (365.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 498.75 cc | ||
| Aspiration | Turbo D. | ||
| Compressor | BMW TwinPower turbocharger | ||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 7.3 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 235 km/h (146 mph) | ||
| Power-to-weight ratio | Higher is better 106.8 PS/tonne (1000 kg) 0.11 PS/kg 78.55 kW/tonne (1000 kg) 0.08 kW/kg 105.34 bhp/tonne (1000 kg) 0.11 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 12.73 kg/kW 21.27 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 | |||
| 126.00 g/km WLTP | |||
| 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 | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 7½J x 17 | ||
| Wheel size rear | 7½J x 17 | ||
| Tyres front | 225/55 R 17 101Y XL | ||
| Tyres rear | 225/55 R 17 101Y XL | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 8 speed automatic | ||
| Top gear ratio | 0.64 | ||
| Final drive ratio | 2.93 | ||
| general | |||
| Carfolio.com ID | 730862 | ||
| Production total | |||
| Model code | |||
| Model family | G26 | ||
| RAC rating | 17.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2021 BMW 420d Gran Coupé added 2021-12-25. Last modified 2022-05-23. |
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