Car technical specifications and fuel economy / consumption / mpg

Comparison BMW 4 Series Convertible (F33) 420d (184 Hp) & BMW 8 Series (G15) 840i (333 Hp) xDrive Steptronic


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BMW 4 Series Convertible (F33) 420d (184 Hp)
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BMW 8 Series (G15) 840i (333 Hp) xDrive Steptronic
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Brand: BMW BMW
Model: 4 Series 8 Series
Generation: 4 Series Convertible (F33) 8 Series (G15)
Engine / modification: 420d (184 Hp) 840i (333 Hp) xDrive Steptronic
Production start: 2014 year 2020 year
Production end: 2015 year
Coupe type: Cabriolet Coupe
Num. of Doors: 2 2
Num. of seats: 4 4
Fuel consumption / economy - urban: 6.0 l/100 km
Fuel consumption / economy - extra urban: 4.5 l/100 km
Fuel consumption / economy - combined: 5.1 l/100 km
Fuel Type: Diesel Petrol (Gasoline)
Drag coefficient: 0.28 0.30
Fuel tank volume: 57 l 68 l
Emission standard: Euro 6 Euro 6d
CO2 emissions: 133 g/km
Power: 184 hp 333 hp
Max power in: 4000 rpm. 5500-6250 rpm.
Maximum speed: 235 km/h 250 km/h
Acceleration from 0 to 100 km/h: 8.2 sec 4.9 sec
Torque: 380 Nm @ 1750-2750 rpm. 500 Nm @ 1700-4000 rpm.
Model Engine: N47D20
Engine position: Front, longitudinal Front, longitudinal
Engine displacement: 1995 cm3 2998 cm3
Engine oil capacity: 5.2 l 6.5 l
Coolant: 7.0 l
Fuel System: Diesel Commonrail Direct injection
Aspiration / Turbine: Twin-power turbo
Position of cylinders: Inline Inline
Valvetrain: VALVETRONIC
Number of cylinders: 4 6
Number of valves per cylinder: 4 4
Compression ratio: 16.5 11
Piston Stroke: 90 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
Number of Gears (manual transmission): 6
Length: 4638 mm 4843 mm
Width: 1825 mm 1902 mm
Height: 1384 mm 1341 mm
Wheelbase: 2810 mm 2822 mm
Front track: 1545 mm 1627 mm
Rear (Back) track: 1594 mm 1642 mm
Ride height(clearance): 130 mm 121 mm
Minimum volume of Luggage (trunk): 220 l 420 l
Maximum amount of Luggage (trunk): 370 l
Front suspension: Independent, spring Double wishbone
Rear suspension: Multi-link independent Multi-link independent
Max weight: 2150 kg 2280 kg
Front brakes: Ventilated discs Ventilated discs
Rear brakes: Ventilated discs Ventilated discs
Kerb Weight: 1680 kg 1795 kg
ABS: yes
Steering type: Steering rack and pinion
Power steering: Electric Steering Electric Steering
Max. roof load: 75 kg
Minimum turning circle (turning diameter): 11.3 m 11.9 m
Permitted trailer load with brakes (12%): 1600 kg
Permitted trailer load without brakes: 745 kg
Permitted towbar download: 75 kg
Tire size: 225/50 R17 94W Front wheel tires: 245/45 R18 100Y XL
Wheel rims size: 7.5J x 17 Front wheel rims: 8J x 18