BMW 8 Series Convertible (G14) 840i (340 Hp) xDrive Steptronic | Technical specs, data, fuel consumption, Dimensions

2019 BMW 8 Series Convertible (G14) - Photo 1

Key specs

BMW 8 Series Convertible (G14) 840i (340 Hp) xDrive Steptronic /Cabriolet 2019 - 2020/

What is the body type of BMW 8 Series Convertible (G14)?

Cabriolet, 2 Doors, 4 Seats

What is the fuel consumption and economy of BMW 8 Series Convertible (G14) 840i (340 Hp) xDrive Steptronic?

7.6-7.8 l/100 km
30.9 - 30.2 US mpg
37.2 - 36.2 UK mpg
13.2 - 12.8 km/l

How environmentally friendly is BMW 8 Series 840i (340 Hp) xDrive Steptronic?

173-178 g/km CO₂
Euro 6d - TEMP

How fast is 2019 8 Series Convertible (G14) 840i (340 Hp) xDrive Steptronic?

250 km/h | 155 mph
0-100 km/h: 4.9 sec
0-60 mph: 4.7 sec

What is the power output of BMW 8 Series Cabriolet 2019 840i (340 Hp) xDrive Steptronic?

340 Hp, 500 Nm
369 lb.-ft.

What is the engine displacement of BMW 8 Series Cabriolet 2019 840i (340 Hp) xDrive Steptronic?

3.0 l
2998 cm³
182.95 cu. in.

What is the number of cylinders in 2019 BMW 840i (340 Hp) xDrive Steptronic?

6, Inline

What is the drivetrain of BMW 8 Series Convertible (G14) Cabriolet 2019 840i (340 Hp) xDrive Steptronic?

All wheel drive (4x4). Internal Combustion engine. The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary.

What is the length of 2019 BMW 8 Series Cabriolet?

4843 mm
190.67 in.

What is the width of 2019 BMW 8 Series Cabriolet?

1902 mm
74.88 in.

What is the kerb weight of 2019 BMW 8 Series Convertible (G14) 840i (340 Hp) xDrive Steptronic?

1880 kg
4145 lbs.

What is the maximum permissible mass of 2019 BMW 8 Series Convertible (G14) 840i (340 Hp) xDrive Steptronic?

2400 kg
5291 lbs.

What is the trunk (boot) capacity of 2019 BMW 8 Series Cabriolet?

280 - 350 l
9.9 - 12.4 cu. ft.

What are the number of gears and the gearbox type of 2019 BMW 8 Series Convertible (G14) 840i (340 Hp) xDrive Steptronic?

8, automatic transmission Steptronic

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General information

Brand

BMW

Model

8 Series

Generation

8 Series Convertible (G14)

Modification (Engine)

840i (340 Hp) xDrive Steptronic

Start of production

July, 2019

End of production

2020

Powertrain Architecture

Internal Combustion engine

Body type

Cabriolet

Seats

Doors

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Performance specs

Fuel consumption (economy) - urban (NEDC)

9.6-9.8 l/100 km 24.5 - 24 US mpg
29.4 - 28.8 UK mpg
10.4 - 10.2 km/l

Fuel consumption (economy) - extra urban (NEDC)

6.4-6.7 l/100 km 36.8 - 35.1 US mpg
44.1 - 42.2 UK mpg
15.6 - 14.9 km/l

Fuel consumption (economy) - combined (NEDC)

7.6-7.8 l/100 km 30.9 - 30.2 US mpg
37.2 - 36.2 UK mpg
13.2 - 12.8 km/l

CO₂ emissions (NEDC)

173-178 g/km

Fuel Type

Petrol (Gasoline)

Acceleration 0 - 100 km/h

4.9 sec

Acceleration 0 - 62 mph

4.9 sec

Acceleration 0 - 60 mph (Calculated by Auto-Data.net)

4.7 sec

Maximum speed

250 km/h 155 mph

Emission standard

Euro 6d - TEMP

Weight-to-power ratio

5.5 kg/Hp, 180.9 Hp/tonne

Weight-to-torque ratio

3.8 kg/Nm, 266 Nm/tonne

Engine specs

Power

340 Hp @ 5000-6500 rpm.

Power per litre

113.4 Hp/l

Torque

500 Nm @ 1600-4500 rpm. 369 lb.-ft. @ 1600-4500 rpm.

Engine layout

Front, Longitudinal

Engine Model/Code

B58B30C

Engine displacement

2998 cm³ 182.95 cu. in.

Number of cylinders

Engine configuration

Inline

Cylinder Bore

82 mm 3.23 in.

Piston Stroke

94.6 mm 3.72 in.

Compression ratio

11:1

Number of valves per cylinder

Fuel injection system

Direct injection

Engine aspiration

TwinPower Turbo, Intercooler

Engine oil capacity

6.5 l 6.87 US qt | 5.72 UK qt

Engine oil specification

Engine systems

Start & Stop System
Particulate filter

Volume and weights

Kerb Weight

1880 kg 4145 lbs.

Max. weight

2400 kg 5291 lbs.

Max load

520 kg 1146 lbs.

Trunk (boot) space - minimum

280 l 9.9 cu. ft.

Trunk (boot) space - maximum

350 l 12.4 cu. ft.

Fuel tank capacity

68 l 17.96 US gal | 14.96 UK gal

Dimensions

Length

4843 mm 190.67 in.

Width

1902 mm 74.88 in.

Width including mirrors

2137 mm 84.13 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 (ground clearance)

118 mm 4.65 in.

Drag coefficient (C_d)

0.31

Minimum turning circle (turning diameter)

11.9 m 39.04 ft.

Drivetrain, brakes and suspension specs

Drivetrain Architecture

The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary.

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

Tire size

245/45 R18 100Y XL; 275/40 R18 103Y XL

Wheel rim size

8J x 18; 9J x 18

Specs of BMW 8 Series Convertible (G14) 840i (340 Hp) xDrive Steptronic /2019, 2020/