BMW 8 Series Convertible (G14)
840d (340 Hp) Mild Hybrid xDrive Steptronic
2020 – 2022 · Diesel · All-wheel drive · 8-speed Steptronic automatic
- Power
- 340 Hp
- 0–100 km/h
- 5.1 s
- Top speed
- 250 km/h155 mph
- Combined
- 5.7 - 6.0 l/100 km39.2 - 41.3 mpg
General information
- Brand
- BMW
- Model
- 8 Series
- Generation
- 8 Series Convertible (G14)
- Modification (Engine)
- 840d (340 Hp) Mild Hybrid xDrive Steptronic
- Start of production
- November, 2020
- End of production
- March, 2022
- Powertrain architecture
- Mild hybrid (MHEV)
- Body type
- Cabriolet
- Seats
- 4
- Doors
- 2
Performance specs
- Fuel consumption (urban)
- 7.3 - 7.5 l/100 km31.4 - 32.2 mpg
- Fuel consumption (extra urban)
- 4.9 - 5.2 l/100 km45.2 - 48.0 mpg
- Fuel consumption (combined)
- 5.7 - 6.0 l/100 km39.2 - 41.3 mpg
- Consumption test cycle
- NEDC (WLTP-correlated)
- CO2 emissions
- 151 - 159 g/km243 - 256 g/mi
- Fuel type
- Diesel
- Acceleration 0 - 100 km/h
- 5.1 s
- Acceleration 0 - 60 mph (calculated)
- 4.8 s
- Acceleration 0 - 200 km/h
- —
- Maximum speed
- 250 km/h155 mph
- Emission standard
- Euro 6d
- Weight-to-power ratio
- 6 kg/Hp13.2 lb/Hp
- Weight-to-torque ratio
- 2.9 kg/Nm8.7 lb/lb-ft
Engine specs
- Power
- 340 Hp
- Power at
- 4400 rpm
- Power per litre
- 113.6
- Torque
- 700 Nm516 lb-ft
- Torque at
- 1750 - 2250 rpm
- Engine layout
- Front, longitudinal
- Engine model/code
- B57D30B
- Engine displacement
- 2993 cm³2993 cm³ (183 cu in)
- Number of cylinders
- 6
- Engine configuration
- Inline
- Cylinder bore
- 84 mm3.3 in
- Piston stroke
- 90 mm3.5 in
- Compression ratio
- 16.5 : 1
- Number of valves per cylinder
- 4
- Fuel injection system
- Diesel Commonrail
- Engine aspiration
- TwinPower Turbo, intercooler
- Engine oil capacity
- 7 l1.8 gal
- Coolant
- 10.2 l2.7 gal
- Engine systems
- Start & Stop System, Particulate filter
Space, volume and weights
- Kerb weight
- 2030 kg4475 lb
- Max. weight
- 2500 kg5512 lb
- Max load
- 470 kg1036 lb
- Trunk (boot) space - minimum
- 350 l92.5 gal
- Fuel tank capacity
- 66 l17.4 gal
Dimensions
- Length
- 4843 mm190.7 in
- Width
- 1902 mm74.9 in
- Height
- 1339 mm52.7 in
- Wheelbase
- 2822 mm111.1 in
- Front track
- 1627 mm64.1 in
- Rear (Back) track
- 1642 mm64.6 in
- Ride height (ground clearance)
- 118 mm4.6 in
- Drag coefficient (Cd)
- 0.3
- Minimum turning circle
- 11.9 m39.0 ft
Drivetrain, brakes and suspension
- 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 245/45 R18 100Y XL; Rear 275/40 R18 103Y XL
- Wheel rims size
- Front 8J x 18; Rear 9J x 18