The Comparative Analysis :
BMW M850i Cabrio xDrive Steptronic Sport (19 - ..) vs. BMW 840i Cabrio xDrive Steptronic (19 - ..)
€ 133,700

€ 105,800

€ 133,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 105,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same width, but the M850i Cabrio is 0.8 cm longer and 0.6 cm taller.
M850i Cabrio
840i Cabrio
1345
1902
2137
1339
1902
2137
1902 mm
Width
1902 mm
2137 mm
Width Incl. Mirrors
2137 mm
1345 mm
Height
1339 mm
2822
4851
2822
4843
4851 mm
Length
4843 mm
2822 mm
Wheelbase
2822 mm
Vehicle Weight
M850i Cabrio
840i Cabrio
2090 kg
Kerb Weight
1955 kg
2515 kg
Gross Vehicle
Weight
Weight
2400 kg

Weight Difference:
135 kg
6.46 %

General
M850i Cabrio
840i Cabrio
G14
Generation
G14
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Permanent all-wheel drive

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
M850i Cabrio
840i Cabrio
V8 petrol engine with two turbochargers (biturbo)
Engine Type
Straight-six petrol engine with turbocharger
BMW N63
Engine Series
BMW B58
N63-B44
Engine Code
B58-B30

4
Valves
4
8
Cylinders
6
4395 CC
Engine Capacity
2998 CC
523 bhp
at 5500 rpm
Power
335 bhp
at 5000 rpm
M850i Cabrio
523 bhp
335 bhp
840i Cabrio
750 NM
at 1800 rpm
Max. Torque
500 NM
at 1600 rpm
M850i Cabrio
750 NM
500 NM
840i Cabrio
Performance
M850i Cabrio
840i Cabrio
155 mph
Maximum Speed
155 mph
3.9 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
54 m
0.000 sec

M850i Cabrio
62 mph
62
mph
mph
68 m
0.000 sec

840i Cabrio
▶ REPLAY
4 kg/bhp
Weight-to-Power Ratio
5.84 kg/bhp
M850i Cabrio
4 kg/bhp
5.84 kg/bhp
840i Cabrio
Fuel Economy / Emissions
M850i Cabrio
840i Cabrio
Fuel Economy
28 mpg
combined
37 mpg
M850i Cabrio
28 mpg
37 mpg
840i Cabrio
No data
city
29 mpg
No data
motorway
No data
68 L
Fuel Tank Capacity
68 L
414 mi
Range
549 mi
M850i Cabrio
414 mi
549 mi
840i Cabrio
Environmental Impact
193.3 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
145.8 kWh
M850i Cabrio
193.3 kWh
145.8 kWh
840i Cabrio
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
261 g/km (WLTP)
CO2 Emissions
205 g/km (WLTP)
Practical Convenience
M850i Cabrio
840i Cabrio
2
Doors
2
4
No. of Seats
4
425 kg
Maximum Payload
445 kg
350 L
Boot Capacity
350 L








No data
Boot Capacity (Seats Down)
No data