Car technical specifications and fuel economy / consumption / mpg

Comparison BMW 6 Series Convertible (F12) 640i (320 Hp) Steptronic & BMW 5 Series Touring (G31) 540i (340 Hp) xDrive Steptronic


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BMW 6 Series Convertible (F12) 640i (320 Hp) Steptronic
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BMW 5 Series Touring (G31) 540i (340 Hp) xDrive Steptronic
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Brand: BMW BMW
Model: 6 Series 5 Series
Generation: 6 Series Convertible (F12) 5 Series Touring (G31)
Engine / modification: 640i (320 Hp) Steptronic 540i (340 Hp) xDrive Steptronic
Production start: 2011 year 2017 year
Production end: 2015 year 2020 year
Coupe type: Cabriolet Combi
Num. of Doors: 2 5
Num. of seats: 4 5
Fuel consumption / economy - urban: 10.9 l/100 km 9.5-9.9 l/100 km
Fuel consumption / economy - extra urban: 6.2 l/100 km 6.1-6.5 l/100 km
Fuel consumption / economy - combined: 7.9 l/100 km 7.3-7.7 l/100 km
Fuel Type: Petrol (Gasoline) Petrol (Gasoline)
Drag coefficient: 0.31 0.29
Fuel tank volume: 70 l 68 l
Emission standard: Euro 5 Euro 6
CO2 emissions: 185 g/km 167-177 g/km
Power: 320 hp 340 hp
Max power in: 5800-6000 rpm. 5500-6500 rpm.
Maximum speed: 250 km/h 250 km/h
Acceleration from 0 to 100 km/h: 5.7 sec 5.1 sec
Torque: 450 Nm @ 1300-4500 rpm. 450 Nm @ 1380-5200 rpm.
Model Engine: N55B30 B58B30
Engine position: Front, longitudinal Front, longitudinal
Engine displacement: 2979 cm3 2998 cm3
Engine oil capacity: 6.5 l 6.5 l
Coolant: 10.2 l
Fuel System: Direct injection Direct injection
Aspiration / Turbine: Twin-power turbo Twin-power turbo
Position of cylinders: Inline Inline
Valvetrain: DOHC
Number of cylinders: 6 6
Number of valves per cylinder: 4 4
Compression ratio: 10.2 11
Piston Stroke: 89.6 mm 94.6 mm
Cylinder Bore: 84 mm 82 mm
Wheel Drive: Rear wheel drive All wheel drive (4x4)
Number of Gears (automatic transmission): 8 Steptronic 8 Steptronic
Length: 4894 mm 4942 mm
Width: 1894 mm 1868 mm
Width including mirrors: 2126 mm
Height: 1365 mm 1464-1498 mm
Wheelbase: 2855 mm 2975 mm
Front track: 1600 mm 1605 mm
Rear (Back) track: 1665 mm 1630 mm
Ride height(clearance): 123 mm 140 mm
Front overhang: 862 mm
Rear overhang: 1105 mm
Minimum volume of Luggage (trunk): 300 l 570 l
Maximum amount of Luggage (trunk): 350 l 1700 l
Front suspension: Double wishbone Double wishbone
Rear suspension: Multi-link independent Multi-link independent
Max weight: 2290 kg 2495 kg
Front brakes: Ventilated discs Ventilated discs
Rear brakes: Ventilated discs Ventilated discs
Kerb Weight: 1840 kg 1765 kg
ABS: yes yes
Steering type: Steering rack and pinion Steering rack and pinion
Power steering: Electric Steering Electric Steering
Max. roof load: 100 kg
Minimum turning circle (turning diameter): 11.7 m 12.22 m
Permitted trailer load with brakes (12%): 2000 kg
Permitted trailer load without brakes: 750 kg
Permitted towbar download: 90 kg
Tire size: 225/55 R17 97Y 225/55 R17; 245/45 R18; 275/40 R18; 245/40 R19; 275/35 R19; 245/35 R20; 275/30 R20
Wheel rims size: 8J x 17 7.5J x 17; 8J x 18; 9J x 18; 8J x 19; 9J x 19; 8J x 20; 9J x 20