![](https://ecocarhub.com/wp-content/uploads/2022/11/BMW-8er-Convertible-G14.jpg)
2020 BMW 8 Series Convertible (G14) 840d (340 Hp) MHEV xDrive Steptronic
General Information
Brand: BMW
Model: 8 Series
Generation: 8 Series Convertible (G14)
Modification (Engine): 840d (340 Hp) MHEV xDrive Steptronic
Start of production: November, 2020 year
End of production: March, 2022 year
Powertrain Architecture: MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV)
Body type: Cabriolet
Seats: 4
Doors: 2
Electric cars and hybrids specs
Electric motor 1
Electric motor power: 11 Hp
Electric motor 2
Electric motor 3
Performance
Fuel consumption (economy) - urban (NEDC, WLTP equivalent): 7.3-7.5 l/100 km
/ 32.22 - 31.36 US mpg
38.7 - 37.66 UK mpg
13.7 - 13.33 km/l
Fuel consumption (economy) - extra urban (NEDC, WLTP equivalent): 4.9-5.2 l/100 km
/ 48 - 45.23 US mpg
57.65 - 54.32 UK mpg
20.41 - 19.23 km/l
Fuel consumption (economy) - combined (NEDC, WLTP equivalent): 5.7-6.0 l/100 km
/ 41.27 - 39.2 US mpg
49.56 - 47.08 UK mpg
17.54 - 16.67 km/l
CO2 emissions (NEDC, WLTP equivalent): 151-159 g/km
Fuel Type: Diesel
Acceleration 0 - 100 km/h: 5.1 sec
Acceleration 0 - 62 mph: 5.1 sec
Acceleration 0 - 60 mph: 4.8 sec
Maximum speed: 250 km/h / 155.34 mph
Emission standard: Euro 6d
Weight-to-power ratio: 6 kg/Hp, 167.5 Hp/tonne
Weight-to-torque ratio: 2.9 kg/Nm, 344.8 Nm/tonne
Internal combustion engine specs
Power: 340 Hp @ 4400 rpm.
Power per litre: 113.6 Hp/l
Torque: 700 Nm @ 1750-2250 rpm. / 516.29 lb.-ft. @ 1750-2250 rpm.
Engine location: Front, Longitudinal
Engine Model/Code: B57D30B
Engine displacement: 2993 cm3 / 182.64 cu. in.
Number of cylinders: 6
Position of cylinders: Inline
Cylinder Bore: 84 mm / 3.31 in.
Piston Stroke: 90 mm / 3.54 in.
Compression ratio: 16.5
Number of valves per cylinder: 4
Fuel System: Diesel Commonrail
Engine aspiration: Twin-power turbo, Intercooler
Engine oil capacity: 7 l / 7.4 US qt | 6.16 UK qt
Engine oil specification: 5W-30, 5W-40 / BMW Longlife-04
Coolant: 10.2 l / 10.78 US qt | 8.97 UK qt
Engine systems: Start & Stop System
Particulate filter
Drivetrain, brakes and suspension
Drivetrain Architecture: The Internal combustion engine (ICE) and the electric motor permanently drive the four wheels of the car with the ability to work only in mixed mode.
Drive wheel: All wheel drive (4x4)
Number of gears and type of gearbox: 8 gears, automatic transmission Steptronic
Front suspension: Double wishbone
Rear suspension: Independent multi-link suspension
Front brakes: Ventilated discs
Rear brakes: Ventilated discs
Assisting systems: ABS (Anti-lock braking system)
Steering type: Steering rack and pinion
Power steering: Electric Steering
Tires size: Front wheel tires: 245/45 R18 100Y XL
Rear wheel tires: 275/40 R18 103Y XL
Wheel rims size: Front wheel rims: 8J x 18
Rear wheel rims: 9J x 18
Space, Volume and weights
Kerb Weight: 2030 kg / 4475.38 lbs.
Max. weight: 2500 kg / 5511.56 lbs.
Max load: 470 kg / 1036.17 lbs.
Trunk (boot) space - minimum: 350 l / 12.36 cu. ft.
Fuel tank capacity: 66 l / 17.44 US gal | 14.52 UK gal
Dimensions
Length: 4843 mm / 190.67 in.
Width: 1902 mm / 74.88 in.
Height: 1339 mm / 52.72 in.
Wheelbase: 2822 mm / 111.1 in.
Front track: 1627 mm / 64.06 in.
Rear (Back) track: 1642 mm / 64.65 in.
Minimum turning circle (turning diameter): 11.9 m / 39.04 ft.
Ride height (ground clearance): 118 mm / 4.65 in.