Car technical specifications and fuel economy / consumption / mpg

BMW 8 Series Convertible (G14) 840i (340 Hp) Steptronic technical specifications and fuel economy

BMW  8 Series Convertible (G14)  840i (340 Hp) Steptronic

BMW 8 Series Convertible (G14) 840i (340 Hp) Steptronic has a combined fuel consumption of 7.4-7.5 l/100 km urban fuel consumption of 9.1-9.3 l/100 km extra urban fuel consumption of 6.4 l/100 km | 36.8 mpg US | 44.1 mpg UK BMW 8 Series Convertible (G14) 840i (340 Hp) Steptronic accelerates from 0 to 100 km/h in 5.3 sec. The maximum speed is 250 km/h | 155 mph.



BMW 8 Series Convertible (G14) 840i (340 Hp) Steptronic Technical information

  • Engine displacement
    2998 cm3
  • Power
    340 hp
    250 kW
  • Acceleration from 0 to 100 km/h
    5.3 sec
  • Maximum speed
    250 km/h
    155 mph
  • Kerb Weight
    1830 kg
    4034 lbs
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BMW  8 Series Convertible (G14)  840i (340 Hp) Steptronic  General information General information
Brand : BMW
Model : 8 Series
Generation : 8 Series Convertible (G14)
Engine / modification : 840i (340 Hp) Steptronic
Production start : 2019 year
Production end : 2020 year
Coupe type : Cabriolet
Num. of Doors : 2
Num. of seats : 4
BMW  8 Series Convertible (G14)  840i (340 Hp) Steptronic  Fuel economy (consumption) Fuel economy (consumption)
Fuel consumption / economy - urban : 9.1-9.3 l/100 km
Fuel consumption / economy - extra urban : 6.4 l/100 km | 36.8 mpg US | 44.1 mpg UK
Fuel consumption / economy - combined : 7.4-7.5 l/100 km
Fuel consumption at Low speed (WLTP) :
Fuel Type : Petrol (Gasoline)
Fuel consumption at Medium speed (WLTP) :
Fuel consumption at high speed (WLTP) :
Drag coefficient : 0.30
Fuel tank volume : 68 l | 18.0 US gallons | 15.0 UK gallons
Fuel consumption at very high speed (WLPT) :
Combined fuel consumption (WPLT) :
Emission standard : Euro 6d - TEMP
CO2 emissions : 168-170 g/km
BMW  8 Series Convertible (G14)  840i (340 Hp) Steptronic  Performance Performance
Power : 340 hp | 250 kW
Max power in : 5000-6500 rpm.
Maximum speed : 250 km/h | 155 mph
Acceleration from 0 to 100 km/h : 5.3 sec
CO2 emissions (WLTP) :
Torque : 500 Nm @ 1600-4500 rpm.
BMW  8 Series Convertible (G14)  840i (340 Hp) Steptronic  Engine Engine
Model Engine : B58B30
Engine position : Front, longitudinal
Engine displacement : 2998 cm3
Engine oil capacity : 6.5 l
Fuel System : Direct injection
Aspiration / Turbine : Twin-power turbo
Position of cylinders : Inline
Number of cylinders : 6
Number of valves per cylinder : 4
Compression ratio : 11
Piston Stroke : 94.6 mm
Cylinder Bore : 82 mm
All-electric range (WLTP) :
Average Energy consumption (WLTP) :
BMW  8 Series Convertible (G14)  840i (340 Hp) Steptronic  Electric motor Electric motor
System power :
System torque :
BMW  8 Series Convertible (G14)  840i (340 Hp) Steptronic  Transmission Transmission
Wheel Drive : Rear wheel drive
Number of Gears (automatic transmission) : 8 Steptronic
BMW  8 Series Convertible (G14)  840i (340 Hp) Steptronic  Chassis Chassis
Length : 4843 mm | 190.7 in
Width : 1902 mm | 74.9 in
Width including mirrors : 2137 mm | 84.1 in
Height : 1339 mm | 52.7 in
Wheelbase : 2822 mm | 111.1 in
Front track : 1627 mm | 64.1 in
Rear (Back) track : 1642 mm | 64.6 in
Ride height : 118 mm | 4.6 in
Front overhang : 953 mm
Rear overhang : 1076 mm
Minimum volume of Luggage (trunk) : 280 l
Maximum amount of Luggage (trunk) : 350 l
Front suspension : Double wishbone
Rear suspension : Multi-link independent
Max weight : 2340 kg | 5159 lbs
Front brakes : Ventilated discs
Rear brakes : Ventilated discs
Kerb Weight : 1830 kg | 4034 lbs
ABS : yes
Steering type : Steering rack
Power steering : Electric Steering
Permitted trailer load with brakes (8%) : 1305 kg
Minimum turning circle (turning diameter) : 11.6 m
Permitted trailer load with brakes (12%) : 1305 kg
BMW  8 Series Convertible (G14)  840i (340 Hp) Steptronic  Tyres / Wheels Tyres / Wheels
Tire size : 245/45 R18 100Y XL; 275/40 R18 103Y XL
Wheel rims size : 8J x 18; 9J x 18
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