The Comparative Analysis :
BMW 640i Cabrio Automatic (11 - 13) vs. BMW M6 Cabrio SMG (06 - 10)
€ 83,900
€ 123,200
€ 83,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 123,200
ⓘ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 2.3 cm longer, 3.9 cm wider and 1.2 cm lower than the M6 Cabrio.
640i Cabrio
M6 Cabrio
1365
1894
2081
1377
1855
2036
1894 mm
Width
1855 mm
2081 mm
Width Incl. Mirrors
2036 mm
1365 mm
Height
1377 mm
2855
4894
2781
4871
4894 mm
Length
4871 mm
2855 mm
Wheelbase
2781 mm
Vehicle Weight
640i Cabrio
M6 Cabrio
1915 kg
Kerb Weight
2005 kg
2290 kg
Gross Vehicle
Weight
Weight
2380 kg
Weight Difference:
90 kg
4.49 %
General
640i Cabrio
M6 Cabrio
F12
Generation
E64
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 automated manual transmission (AMT)
Engine
640i Cabrio
M6 Cabrio
Straight-six petrol engine with turbocharger
Engine Type
V10 petrol engine (naturally aspirated engine)
BMW N55
Engine Series
BMW S85
N55-B30
Engine Code
S85-B50
4
Valves
4
6
Cylinders
10
2979 CC
Engine Capacity
4999 CC
316 bhp
at 5800 rpm
Power
500 bhp
at 7750 rpm
640i Cabrio
316 bhp
500 bhp
M6 Cabrio
450 NM
at 1300 rpm
Max. Torque
520 NM
at 6100 rpm
640i Cabrio
450 NM
520 NM
M6 Cabrio
Performance
640i Cabrio
M6 Cabrio
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
79 m
0.000 sec
640i Cabrio
62 mph
62
mph
mph
67 m
0.000 sec
M6 Cabrio
▶ REPLAY
6.06 kg/bhp
Weight-to-Power Ratio
4.01 kg/bhp
640i Cabrio
6.06 kg/bhp
4.01 kg/bhp
M6 Cabrio
Fuel Economy / Emissions
640i Cabrio
M6 Cabrio
Fuel Economy
36 mpg
combined
19 mpg
640i Cabrio
36 mpg
19 mpg
M6 Cabrio
26 mpg
city
13 mpg
No data
motorway
No data
70 L
Fuel Tank Capacity
70 L
557 mi
Range
296 mi
640i Cabrio
557 mi
296 mi
M6 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).
278.4 kWh
640i Cabrio
147.7 kWh
278.4 kWh
M6 Cabrio
Euro 5
Emission Standard
Euro 4
181 g/km (NEFZ)
CO2 Emissions
352 g/km (NEFZ)
Practical Convenience
640i Cabrio
M6 Cabrio
2
Doors
2
4
No. of Seats
4
375 kg
Maximum Payload
375 kg
350 L
Boot Capacity
350 L
No data
Boot Capacity (Seats Down)
No data
