Car technical specifications and fuel economy / consumption / mpg

Comparison BMW 8 Series Convertible (G14) 840i (333 Hp) xDrive Steptronic & BMW X4 (G02 LCI, facelift 2021) M40d (340 Hp) MHEV xDrive Steptronic


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BMW 8 Series Convertible (G14) 840i (333 Hp) xDrive Steptronic
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BMW X4 (G02 LCI, facelift 2021) M40d (340 Hp) MHEV xDrive Steptronic
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Brand: BMW BMW
Model: 8 Series X4
Generation: 8 Series Convertible (G14) X4 (G02 LCI, facelift 2021)
Engine / modification: 840i (333 Hp) xDrive Steptronic M40d (340 Hp) MHEV xDrive Steptronic
Production start: 2020 year 2021 year
Coupe type: Cabriolet
Num. of Doors: 2 5
Num. of seats: 4 5
Fuel Type: Petrol (Gasoline) Diesel
Drag coefficient: 0.30 0.33-0.35
Fuel tank volume: 68 l 68 l
Emission standard: Euro 6d Euro 6d
Power: 333 hp 340 hp
Max power in: 5500-6250 rpm. 4400 rpm.
Maximum speed: 250 km/h 250 , Electronically limited km/h
Acceleration from 0 to 100 km/h: 5.2 sec 4.9 sec
CO2 emissions (WLTP): 171-190 g/km
Torque: 500 Nm @ 1700-4000 rpm. 700 Nm @ 1750-2250 rpm.
Engine position: Front, longitudinal Front, longitudinal
Engine displacement: 2998 cm3 2993 cm3
Engine oil capacity: 6.5 l 7 l
Fuel System: Direct injection Diesel Commonrail
Position of cylinders: Inline Inline
Valvetrain: VALVETRONIC DOHC
Number of cylinders: 6 6
Number of valves per cylinder: 4 4
Compression ratio: 11 16.5
Piston Stroke: 94.6 mm 90 mm
Cylinder Bore: 82 mm 84 mm
Electric motor power: 11
Wheel Drive: All wheel drive (4x4) All wheel drive (4x4)
Number of Gears (automatic transmission): 8 Steptronic 8 Steptronic
Length: 4843 mm 4752 mm
Width: 1902 mm 1938 mm
Height: 1339 mm 1621 mm
Wheelbase: 2822 mm 2864 mm
Front track: 1627 mm 1615 mm
Rear (Back) track: 1642 mm 1624 mm
Ride height(clearance): 118 mm 204 mm
Approach angle: 25 °
Departure angle: 22.2 °
Ramp angle: 20 °
Wading depth: 500 mm
Minimum volume of Luggage (trunk): 350 l 525 l
Maximum amount of Luggage (trunk): 1430 l
Front suspension: Double wishbone
Rear suspension: Multi-link independent Independent multi-link
Max weight: 2400 kg 2560 kg
Front brakes: Ventilated discs Ventilated discs
Rear brakes: Ventilated discs Ventilated discs
Kerb Weight: 1915 kg 2020 kg
Steering type: Steering rack and pinion
Power steering: Electric Steering Electric Steering
Max. roof load: 100 kg
Minimum turning circle (turning diameter): 11.6 m 12.1 m
Permitted trailer load with brakes (12%): 2400 kg
Permitted trailer load without brakes: 750 kg
Permitted towbar download: 100 kg
Tire size: Front wheel tires: 245/45 R18 100Y XL Front wheel tires: 245/45 R20
Wheel rims size: Front wheel rims: 8J x 18 Front wheel rims: 8J x 20