Car technical specifications and fuel economy / consumption / mpg

Comparison BMW 8 Series Convertible (G14) 840i (333 Hp) Steptronic & BMW 4 Series Coupe (G22) 420d (190 Hp) MHEV Steptronic


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BMW 8 Series Convertible (G14) 840i (333 Hp) Steptronic
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BMW 4 Series Coupe (G22) 420d (190 Hp) MHEV Steptronic
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Brand: BMW BMW
Model: 8 Series 4 Series
Generation: 8 Series Convertible (G14) 4 Series Coupe (G22)
Engine / modification: 840i (333 Hp) Steptronic 420d (190 Hp) MHEV Steptronic
Production start: 2020 year 2020 year
Coupe type: Cabriolet Coupe
Num. of Doors: 2 2
Num. of seats: 4 4
Fuel consumption / economy - urban: 4.5-4.9 l/100 km
Fuel consumption / economy - extra urban: 3.6-3.9 l/100 km
Fuel consumption / economy - combined: 3.9-4.2 l/100 km
Fuel Type: Petrol (Gasoline) Diesel
Drag coefficient: 0.29 0.25
Fuel tank volume: 68 l 59 l
Combined fuel consumption (WLTP): 4.5-5.2 l/100 km
Emission standard: Euro 6d EURO 6d
CO2 emissions: 103-112 g/km
Power: 333 hp 190 hp
Max power in: 5500-6250 rpm. 4000 rpm.
Maximum speed: 250 km/h 240 km/h
Acceleration from 0 to 100 km/h: 5.5 sec 7.1 sec
CO2 emissions (WLTP): 118-137 g/km
Torque: 500 Nm @ 1700-4000 rpm. 400 Nm @ 1750-2500 rpm.
Engine position: Front, longitudinal Front, longitudinal
Engine displacement: 2998 cm3 1995 cm3
Engine oil capacity: 6.5 l 5.5 l
Fuel System: Direct injection Diesel Commonrail
Aspiration / Turbine: Twin-power turbo
Position of cylinders: Inline Inline
Valvetrain: VALVETRONIC
Number of cylinders: 6 4
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
Battery capacity: 0.528 kWh
Wheel Drive: Rear wheel drive Rear wheel drive
Number of Gears (automatic transmission): 8 Steptronic 8 Steptronic
Length: 4843 mm 4768 mm
Width: 1902 mm 1852 mm
Width including mirrors: 2081 mm
Height: 1339 mm 1383 mm
Wheelbase: 2822 mm 2851 mm
Front track: 1627 mm 1575 mm
Rear (Back) track: 1642 mm 1611 mm
Ride height(clearance): 118 mm 127 mm
Front overhang: 858 mm
Rear overhang: 1059 mm
Minimum volume of Luggage (trunk): 350 l 440 l
Front suspension: Double wishbone Double wishbone
Rear suspension: Multi-link independent Multi-link independent
Max weight: 2340 kg 2095 kg
Front brakes: Ventilated discs Ventilated discs
Rear brakes: Ventilated discs Ventilated discs
Kerb Weight: 1840 kg 1605 kg
Steering type: Steering rack and pinion Steering rack and pinion
Power steering: Electric Steering Electric Steering
Max. roof load: 75 kg
Minimum turning circle (turning diameter): 11.6 m 11.4 m
Permitted trailer load with brakes (12%): 1600 kg
Permitted trailer load without brakes: 750 kg
Permitted towbar download: 75 kg
Tire size: Front wheel tires: 245/45 R18 100Y XL 225/50 R17 98Y XL
Wheel rims size: Front wheel rims: 8J x 18 7.5J x 17