The Comparative Analysis :
BMW 640i Cabrio Steptronic (15 - 18) vs. BMW M6 Cabrio Competition M DKG (15 - 18)
€ 91,700
€ 148,300
€ 91,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 148,300
ⓘ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. The 640i Cabrio is just 0.4 cm shorter, 0.5 cm narrower and 0.7 cm taller than the M6 Cabrio.
640i Cabrio
M6 Cabrio
1365
1894
2081
1358
1899
2106
1894 mm
Width
1899 mm
2081 mm
Width Incl. Mirrors
2106 mm
1365 mm
Height
1358 mm
2855
4894
2851
4898
4894 mm
Length
4898 mm
2855 mm
Wheelbase
2851 mm
Vehicle Weight
640i Cabrio
M6 Cabrio
1895 kg
Kerb Weight
2055 kg
2325 kg
Gross Vehicle
Weight
Weight
2410 kg
Weight Difference:
160 kg
7.79 %
General
640i Cabrio
M6 Cabrio
F12
Generation
F12
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
640i Cabrio
M6 Cabrio
Straight-six petrol engine with turbocharger
Engine Type
V8 petrol engine with two turbochargers (biturbo)
BMW N55
Engine Series
BMW S63
N55-B30
Engine Code
S63-B44
4
Valves
4
6
Cylinders
8
2979 CC
Engine Capacity
4395 CC
316 bhp
at 5800 rpm
Power
592 bhp
at 6000 rpm
640i Cabrio
316 bhp
592 bhp
M6 Cabrio
450 NM
at 1300 rpm
Max. Torque
700 NM
at 1500 rpm
640i Cabrio
450 NM
700 NM
M6 Cabrio
Performance
640i Cabrio
M6 Cabrio
155 mph
Maximum Speed
155 mph
5.5 sec
Acceleration 0 to 62 mph
4 sec
62 mph
62
mph
mph
76 m
0.000 sec
640i Cabrio
62 mph
62
mph
mph
56 m
0.000 sec
M6 Cabrio
▶ REPLAY
6 kg/bhp
Weight-to-Power Ratio
3.47 kg/bhp
640i Cabrio
6 kg/bhp
3.47 kg/bhp
M6 Cabrio
Fuel Economy / Emissions
640i Cabrio
M6 Cabrio
Fuel Economy
37 mpg
combined
27 mpg
640i Cabrio
37 mpg
27 mpg
M6 Cabrio
26 mpg
city
20 mpg
No data
motorway
No data
70 L
Fuel Tank Capacity
80 L
565 mi
Range
483 mi
640i Cabrio
565 mi
483 mi
M6 Cabrio
Environmental Impact
145.8 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).
195.2 kWh
640i Cabrio
145.8 kWh
195.2 kWh
M6 Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
179 g/km (NEFZ)
CO2 Emissions
239 g/km (NEFZ)
Practical Convenience
640i Cabrio
M6 Cabrio
2
Doors
2
4
No. of Seats
4
430 kg
Maximum Payload
355 kg
350 L
Boot Capacity
350 L
No data
Boot Capacity (Seats Down)
No data
