The BMW 740i xDrive is a saloon (sedan) with 4 doors and a front mounted engine which delivers its power to all four wheels.
It forms part of BMW's G12 model series.
Power is supplied by a double overhead camshaft, 3 litre turbocharged 6 cylinder powerplant, with 4 valves per cylinder that develops power and torque figures of 320 bhp (324 PS/239 kW) at 5500-6500 rpm and 448 N·m (330 lb·ft/45.7 kgm) at 1380-5000 rpm respectively.
The power is supplied to the wheels through an 8 speed automatic gearbox.
Stated kerb weight is 1978 kg.
Maximum speed quoted is 209 km/h or 130 mph, quoted fuel consumption is 20/29/23 US MPG EPA city/highway/combined.
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 | 3211 mm | 126.4 inches | |
| Track/tread (front) | 1613 mm | 63.5 inches | |
| Track/tread (rear) | 1641 mm | 64.6 inches | |
| Length | 5248 mm | 206.6 inches | |
| Width | 1902 mm | 74.9 inches | |
| Height | 1478 mm | 58.2 inches | |
| Ground clearance | 135 mm | 5.3 inches | |
| length:wheelbase ratio | 1.63 | ||
| Kerb weight | 1978 kg | 4361 lb | |
| Weight distribution | 52.4% front | ||
| fuel tank capacity | 78 litres | 17.2 [20.6] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.28 | ||
| Frontal area | 2.42 m² | ||
| CdA | 0.68 | ||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | B58B30M0 | ||
| Cylinders | Straight 6 | ||
| Capacity | 3 litre 2998 cc (182.949 cu in) |
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| Bore × Stroke | 82 × 94.6 mm
3.23 × 3.72 in |
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| Bore/stroke ratio | 0.87 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 24 valves in total |
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| maximum power output | 324 PS (320 bhp) (239 kW) at 5500-6500 rpm |
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| maximum torque | 448 Nm (330 ft·lb) (45.7 kgm) at 1380-5000 rpm |
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| Specific output | 79.6 kW/litre 108.2 ps/litre 106.7 bhp/litre 1.75 bhp/cu in |
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| Specific torque |
149.43 Nm/litre
1.81 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 11:1 | ||
| Fuel system | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1877.8 kPa (272.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 499.67 cc | ||
| Aspiration | Turbo | ||
| Compressor | |||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | 5.1 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 209 km/h (130 mph) | ||
| Power-to-weight ratio | Higher is better 164.03 PS/tonne (1000 kg) 0.16 PS/kg 120.64 kW/tonne (1000 kg) 0.12 kW/kg 161.78 bhp/tonne (1000 kg) 0.16 bhp/kg 0.07 bhp/lb |
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| Weight-to-power ratio | Lower is better 8.29 kg/kW 13.85 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 20/29/23 US MPG EPA city/highway/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 11.8/8.1/10.2 l/100km city/highway/combined | ||
| km/litre | 8.5/12.3/9.8 km/l city/highway/combined | ||
| UK MPG | 24.0/34.8/27.6 UK MPG city/highway/combined | ||
| US MPG | 20.0/29.0/23.0 US MPG city/highway/combined | ||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| 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 | 245/50 R 18 100V | ||
| Tyres rear | 245/50 R 18 100V | ||
| 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 | 3.08 | ||
| general | |||
| Carfolio.com ID | 539891 | ||
| Production total | |||
| Model code | |||
| Model family | G12 | ||
| RAC rating | 25.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2018 BMW 740i xDrive added 2018-01-09. Last modified 2020-03-16. |
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