This vehicle has a 4 door saloon (sedan) body style with a front mounted engine powering all four wheels.
It forms part of BMW's F10 series.
Powering the BMW 550i xDrive is a double overhead camshaft, 4.4 litre turbocharged 8 cylinder powerplant, with 4 valves per cylinder that produces power and torque figures of 401.8 bhp (407 PS/300 kW) at 5500-6400 rpm and 600 N·m (443 lb·ft/61.2 kgm) at 1750-4500 rpm respectively.
An 8 speed automatic gearbox transfers the power to the driven wheels.
With a claimed kerb weight of 1975 kg, the BMW 550i xDrive can dispense with the 0-100 km/h sprint in 4.8 seconds and the kilometre from rest in 23.3 seconds.
Maximum claimed speed is 250 km/h (155 mph), stated fuel consumption figures are 16.4/7.9/11.0 l/100km urban/extra-urban/combined EU5, and carbon dioxide emissions are 257.0 g/km.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2968 mm | 116.9 inches | |
| Track/tread (front) | 1600 mm | 63 inches | |
| Track/tread (rear) | 1627 mm | 64.1 inches | |
| Length | 4899 mm | 192.9 inches | |
| Width | 1860 mm | 73.2 inches | |
| Height | 1464 mm | 57.6 inches | |
| Ground clearance | 141 mm | 5.6 inches | |
| length:wheelbase ratio | 1.65 | ||
| Kerb weight | 1975 kg | 4354 lb | |
| Weight distribution | |||
| fuel tank capacity | 70 litres | 15.4 [18.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.3 | ||
| Frontal area | 2.35 m² | ||
| CdA | 0.71 | ||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | N63B44O0 | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 4.4 litre 4395 cc (268.199 cu in) |
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| Bore × Stroke | 89 × 88.3 mm
3.5 × 3.48 in |
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| Bore/stroke ratio | 1.01 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 32 valves in total |
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| maximum power output | 407 PS (401.8 bhp) (300 kW) at 5500-6400 rpm |
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| maximum torque | 600 Nm (443 ft·lb) (61.2 kgm) at 1750-4500 rpm |
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| Specific output | 68.2 kW/litre 92.7 ps/litre 91.4 bhp/litre 1.5 bhp/cu in |
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| Specific torque |
136.52 Nm/litre
1.65 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10:1 | ||
| Fuel system | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1715.5 kPa (248.8 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 549.38 cc | ||
| Aspiration | Turbo | ||
| Compressor | 2 turbochargers | ||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 4.8 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | 23.3 s | ||
| Maximum speed | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 206.27 PS/tonne (1000 kg) 0.21 PS/kg 151.71 kW/tonne (1000 kg) 0.15 kW/kg 203.44 bhp/tonne (1000 kg) 0.2 bhp/kg 0.09 bhp/lb |
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| Weight-to-power ratio | Lower is better 6.59 kg/kW 11.01 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 16.4/7.9/11.0 l/100km urban/extra-urban/combined EU5 | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 16.4/7.9/11.0 l/100km urban/extra-urban/combined | ||
| km/litre | 6.1/12.7/9.1 km/l urban/extra-urban/combined | ||
| UK MPG | 17.2/35.8/25.7 UK MPG urban/extra-urban/combined | ||
| US MPG | 14.3/29.8/21.4 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 257.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | M | ||
| CO2 Effizienz (DE) | G | ||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | all wheel drive | ||
| Torque split | |||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 8J x 18 | ||
| Wheel size rear | 8J x 18 | ||
| Tyres front | 245/45 R 19 98Y | ||
| Tyres rear | 245/45 R 18 96Y | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 374 mm | ||
| Rear brake diameter | 345 mm | ||
| Braked area | |||
| Gearbox | 8 speed automatic | ||
| Top gear ratio | 0.67 | ||
| Final drive ratio | 2.81 | ||
| general | |||
| Carfolio.com ID | 217250 | ||
| Production total | |||
| Model code | |||
| Model family | F10 | ||
| RAC rating | 39.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2010 BMW 550i xDrive added 2010-07-09. Last modified 2013-02-28. |
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