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2020 840d (340 Hp) MHEV xDrive Steptronic

Technical specifications and auto data, engine info, fuel consumption performance specs, dimensions and volumes

FULL CAR SPECIFICATIONS

GENERAL INFO

Select Units

Brand

BMW

Series

8 Series

Model

840

Modification

840d (340 Hp) MHEV xDrive Steptronic

Body Type

Cabriolet

Start of production

2020, Nov

End of production

2022, Mar

Emission standard

Euro 6d

Powertrain

MHEV

Fuel type

Diesel

Fuel tank capacity

66 l 17.44 US gal
14.52 UK gal

Engine displacement

2993 cm³ 182.64 cu. In.

Power

340 hp (at 4400 rpm)

Torque

700 Nm (at 1750 rpm) 516.29 lb. ft (at 1750 rpm)

Drive Axle

All wheel drive (4x4)

Top Speed

250 km/h 155 mph

Gearbox type

Automatic

Number of Gears

8 Steptronic

Kerb weight

2030 kg 4475.4 lbs

Length

4843 mm 190.67 in

Width

1902 mm 74.88 in

Doors

2

Seats

4

Wheel rims

8J x 18

FULL SPECS

FUEL CONSUMPTION

NEDC, WLTP equivalent

- Urban

7.3 - 7.5 l/100 km 32.22 - 31.36 US mpg
38.7 - 37.66 UK mpg

- Extra urban

4.9 - 5.2 l/100 km 48 - 45.23 US mpg
57.65 - 54.32 UK mpg

- Combined

5.7 - 6 l/100 km 41.26 - 39.2 US mpg
49.56 - 47.08 UK mpg

CO2 Emissions

Emission standard

Euro 6d

NEDC, WLTP equivalent

151 - 159 g/km

PERFORMANCE

Speed

- Top speed

250 km/h 155 mph

Acceleration

0 - 100 km/h

5.1 sec

0 - 60 mph

4.8 sec

Drag coefficient (Cd)

0.3

ENGINE SPECIFICATION

Engine Model

B57D30B

Powertrain

MHEV

Fuel type

Diesel

Fuel system

Diesel Commonrail

Engine Location

Front, Longitudinal

Turbine

Twin-power turbo

Engine systems

Start & Stop System Particulate filter

Engine displacement

2993 cm³ 182.64 cu. In.

Power

340 hp (at 4400 rpm)

Torque

700 Nm (at 1750 rpm) 516.29 lb. ft (at 1750 rpm)

Number of cylinders

6

Valves per cylinder

4

Position of cylinders

Inline

Cylinder Bore

84 mm 3.31 in

Piston Stroke

90 mm 3.54 in

Compression ratio

16.5

Engine oil capacity

7 l 7.42 US qt
6.16 UK qt

Coolant

10.2 l 10.81 US qt
8.97 UK qt

POWER-TO-WEIGHT RATIO (PWR)

Color Index

Dynamic Efficiency

high Performance

ELECTRIC SPECS

Electric power

- Motor 1

11 hp

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

Ride height

118 mm 4.65 in

Turning diameter

11.9 m 39.04 ft

DRIVETRAIN, SUSPENSION & TIRES

Drive Axle

All wheel drive (4x4)

Number of Gears

8 Steptronic

Brakes

- Front

Ventilated discs

- Rear

Ventilated discs

Assisting system

ABS

Steering type

Steering rack and pinion

Power steering

Electric Steering

Suspension

- Front

Double wishbone

- Rear

Independent multi-link suspension

Tire size

- Front

245/45 R18 100Y XL

- Rear

275/40 R18 103Y XL

Wheel rims

8J x 18

Rear wheel rims

9J x 18

WEIGHTS & TRUNK SPACE

Kerb weight

2030 kg 4475.4 lbs

Max. weight

2500 kg 5511.6 lbs

Luggage capacity

- Min. (seats up)

350 l 12.36 cu ft

- Max. roof load

470 kg 1036.2 lbs

MODEL REVIEW
BMW 8 Series Convertible (G14) 840d (340 Hp) MHEV xDrive Steptronic is made in 2020 2021 2022