The Comparative Analysis :
BMW 640d Cabrio xDrive Steptronic (12 - 14) vs. BMW M6 Cabrio M DKG (15 - 18)
€ 90,800
€ 138,800
€ 90,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 138,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The 640d Cabrio is a bit smaller in every dimension. It's 0.4 cm shorter, 0.5 cm narrower and 0.3 cm lower than the M6 Cabrio.
640d Cabrio
M6 Cabrio
1365
1894
2081
1368
1899
2106
1894 mm
Width
1899 mm
2081 mm
Width Incl. Mirrors
2106 mm
1365 mm
Height
1368 mm
2855
4894
2851
4898
4894 mm
Length
4898 mm
2855 mm
Wheelbase
2851 mm
Vehicle Weight
640d Cabrio
M6 Cabrio
2005 kg
Kerb Weight
2055 kg
2440 kg
Gross Vehicle
Weight
Weight
2410 kg
Weight Difference:
50 kg
2.43 %
General
640d Cabrio
M6 Cabrio
F12
Generation
F12
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Super Unleaded (98 RON)
Permanent all-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
640d Cabrio
M6 Cabrio
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
V8 petrol engine with two turbochargers (biturbo)
BMW N57
Engine Series
BMW S63
N57-D30
Engine Code
S63-B44
4
Valves
4
6
Cylinders
8
2993 CC
Engine Capacity
4395 CC
309 bhp
at 4400 rpm
Power
552 bhp
at 6000 rpm
640d Cabrio
309 bhp
552 bhp
M6 Cabrio
630 NM
at 1500 rpm
Max. Torque
680 NM
at 1500 rpm
640d Cabrio
630 NM
680 NM
M6 Cabrio
Performance
640d Cabrio
M6 Cabrio
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph
62
mph
mph
75 m
0.000 sec
640d Cabrio
62 mph
62
mph
mph
60 m
0.000 sec
M6 Cabrio
▶ REPLAY
6.49 kg/bhp
Weight-to-Power Ratio
3.72 kg/bhp
640d Cabrio
6.49 kg/bhp
3.72 kg/bhp
M6 Cabrio
Fuel Economy / Emissions
640d Cabrio
M6 Cabrio
Fuel Economy
48 mpg
combined
27 mpg
640d Cabrio
48 mpg
27 mpg
M6 Cabrio
40 mpg
city
20 mpg
No data
motorway
No data
70 L
Fuel Tank Capacity
80 L
737 mi
Range
483 mi
640d Cabrio
737 mi
483 mi
M6 Cabrio
Environmental Impact
121.3 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).
195.2 kWh
640d Cabrio
121.3 kWh
195.2 kWh
M6 Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
154 g/km (NEFZ)
CO2 Emissions
239 g/km (NEFZ)
Practical Convenience
640d Cabrio
M6 Cabrio
2
Doors
2
4
No. of Seats
4
435 kg
Maximum Payload
355 kg
350 L
Boot Capacity
350 L
No data
Boot Capacity (Seats Down)
No data
