The Comparative Analysis :
BMW 640i Cabrio Automatic (11 - 13) vs. BMW 840i Cabrio xDrive Steptronic (19 - ..)
€ 83,900
€ 105,800
€ 83,900
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
The dimensions of these vehicles differ a little. The 640i Cabrio is 5.1 cm longer, 0.8 cm narrower and 2.6 cm taller than the 840i Cabrio.
640i Cabrio
840i Cabrio
1365
1894
2081
1339
1902
2137
1894 mm
Width
1902 mm
2081 mm
Width Incl. Mirrors
2137 mm
1365 mm
Height
1339 mm
2855
4894
2822
4843
4894 mm
Length
4843 mm
2855 mm
Wheelbase
2822 mm
Vehicle Weight
640i Cabrio
840i Cabrio
1915 kg
Kerb Weight
1955 kg
2290 kg
Gross Vehicle
Weight
Weight
2400 kg
Weight Difference:
40 kg
2.05 %
General
640i Cabrio
840i Cabrio
F12
Generation
G14
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Permanent all-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
640i Cabrio
840i Cabrio
Straight-six petrol engine with turbocharger
Engine Type
Straight-six petrol engine with turbocharger
BMW N55
Engine Series
BMW B58
N55-B30
Engine Code
B58-B30
4
Valves
4
6
Cylinders
6
2979 CC
Engine Capacity
2998 CC
316 bhp
at 5800 rpm
Power
335 bhp
at 5000 rpm
640i Cabrio
316 bhp
335 bhp
840i Cabrio
450 NM
at 1300 rpm
Max. Torque
500 NM
at 1600 rpm
640i Cabrio
450 NM
500 NM
840i Cabrio
Performance
640i Cabrio
840i Cabrio
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
79 m
0.000 sec
640i Cabrio
62 mph
62
mph
mph
68 m
0.000 sec
840i Cabrio
▶ REPLAY
6.06 kg/bhp
Weight-to-Power Ratio
5.84 kg/bhp
640i Cabrio
6.06 kg/bhp
5.84 kg/bhp
840i Cabrio
Fuel Economy / Emissions
640i Cabrio
840i Cabrio
Fuel Economy
36 mpg
combined
37 mpg
640i Cabrio
36 mpg
37 mpg
840i Cabrio
26 mpg
city
29 mpg
No data
motorway
No data
70 L
Fuel Tank Capacity
68 L
557 mi
Range
549 mi
640i Cabrio
557 mi
549 mi
840i Cabrio
Environmental Impact
147.7 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
640i Cabrio
147.7 kWh
145.8 kWh
840i Cabrio
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
181 g/km (NEFZ)
CO2 Emissions
205 g/km (WLTP)
Practical Convenience
640i Cabrio
840i Cabrio
2
Doors
2
4
No. of Seats
4
375 kg
Maximum Payload
445 kg
350 L
Boot Capacity
350 L
No data
Boot Capacity (Seats Down)
No data
