The Comparative Analysis :
BMW M6 Coupé SMG (05 - 10) vs. BMW 640i Gran Coupé xDrive Steptronic (15 - 18)
€ 116,200

€ 88,300

€ 116,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 88,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The M6 Coupé is slightly smaller in every dimension. It's 13.6 cm shorter, 3.9 cm narrower and 1.5 cm lower than the 640i Gran Coupé.
M6 Coupé
640i Gran Coupé
1377
1855
2036
1392
1894
2081
1855 mm
Width
1894 mm
2036 mm
Width Incl. Mirrors
2081 mm
1377 mm
Height
1392 mm
2781
4871
2968
5007
4871 mm
Length
5007 mm
2781 mm
Wheelbase
2968 mm
Vehicle Weight
M6 Coupé
640i Gran Coupé
1785 kg
Kerb Weight
1900 kg
2200 kg
Gross Vehicle
Weight
Weight
2430 kg

Weight Difference:
115 kg
6.05 %

General
M6 Coupé
640i Gran Coupé
E63
Generation
F06
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

7-speed automated manual transmission (AMT)
Transmission
8-speed automatic transmission
Engine
M6 Coupé
640i Gran Coupé
V10 petrol engine (naturally aspirated engine)
Engine Type
Straight-six petrol engine with turbocharger
BMW S85
Engine Series
BMW N55
S85-B50
Engine Code
N55-B30

4
Valves
4
10
Cylinders
6
4999 CC
Engine Capacity
2979 CC
500 bhp
at 7750 rpm
Power
316 bhp
at 5800 rpm
M6 Coupé
500 bhp
316 bhp
640i Gran Coupé
520 NM
at 6100 rpm
Max. Torque
450 NM
at 1300 rpm
M6 Coupé
520 NM
450 NM
640i Gran Coupé
Performance
M6 Coupé
640i Gran Coupé
155 mph
Maximum Speed
155 mph
4.6 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
64 m
0.000 sec

M6 Coupé
62 mph
62
mph
mph
74 m
0.000 sec

640i Gran Coupé
▶ REPLAY
3.57 kg/bhp
Weight-to-Power Ratio
6.01 kg/bhp
M6 Coupé
3.57 kg/bhp
6.01 kg/bhp
640i Gran Coupé
Fuel Economy / Emissions
M6 Coupé
640i Gran Coupé
Fuel Economy
20 mpg
combined
35 mpg
M6 Coupé
20 mpg
35 mpg
640i Gran Coupé
13 mpg
city
25 mpg
No data
motorway
No data
70 L
Fuel Tank Capacity
70 L
304 mi
Range
537 mi
M6 Coupé
304 mi
537 mi
640i Gran Coupé
Environmental Impact
270.9 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).
153.5 kWh
M6 Coupé
270.9 kWh
153.5 kWh
640i Gran Coupé
Euro 4
Emission Standard
Euro 6b (NEFZ)
342 g/km (NEFZ)
CO2 Emissions
188 g/km (NEFZ)
Practical Convenience
M6 Coupé
640i Gran Coupé
2
Doors
4
4
No. of Seats
5
415 kg
Maximum Payload
530 kg
450 L
Boot Capacity
460 L









No data
Boot Capacity (Seats Down)
No data