The Comparative Analysis :
BMW 640i Gran Coupé xDrive Steptronic (15 - 18) vs. BMW M6 Coupé M DKG (15 - 17)
€ 88,300
€ 129,600
€ 88,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 129,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The 640i Gran Coupé is 10.9 cm longer, 0.5 cm narrower and 1.8 cm taller than the M6 Coupé.
640i Gran Coupé
M6 Coupé
1392
1894
2081
1374
1899
2106
1894 mm
Width
1899 mm
2081 mm
Width Incl. Mirrors
2106 mm
1392 mm
Height
1374 mm
2968
5007
2851
4898
5007 mm
Length
4898 mm
2968 mm
Wheelbase
2851 mm
Vehicle Weight
640i Gran Coupé
M6 Coupé
1900 kg
Kerb Weight
1925 kg
2430 kg
Gross Vehicle
Weight
Weight
2350 kg
Weight Difference:
25 kg
1.3 %
General
640i Gran Coupé
M6 Coupé
F06
Generation
F13
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
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
640i Gran Coupé
M6 Coupé
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
552 bhp
at 6000 rpm
640i Gran Coupé
316 bhp
552 bhp
M6 Coupé
450 NM
at 1300 rpm
Max. Torque
680 NM
at 1500 rpm
640i Gran Coupé
450 NM
680 NM
M6 Coupé
Performance
640i Gran Coupé
M6 Coupé
155 mph
Maximum Speed
155 mph
5.3 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
74 m
0.000 sec
640i Gran Coupé
62 mph
62
mph
mph
58 m
0.000 sec
M6 Coupé
▶ REPLAY
6.01 kg/bhp
Weight-to-Power Ratio
3.49 kg/bhp
640i Gran Coupé
6.01 kg/bhp
3.49 kg/bhp
M6 Coupé
Fuel Economy / Emissions
640i Gran Coupé
M6 Coupé
Fuel Economy
35 mpg
combined
29 mpg
640i Gran Coupé
35 mpg
29 mpg
M6 Coupé
25 mpg
city
20 mpg
No data
motorway
No data
70 L
Fuel Tank Capacity
80 L
537 mi
Range
502 mi
640i Gran Coupé
537 mi
502 mi
M6 Coupé
Environmental Impact
153.5 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).
187.5 kWh
640i Gran Coupé
153.5 kWh
187.5 kWh
M6 Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
188 g/km (NEFZ)
CO2 Emissions
231 g/km (NEFZ)
Practical Convenience
640i Gran Coupé
M6 Coupé
4
Doors
2
5
No. of Seats
4
530 kg
Maximum Payload
425 kg
460 L
Boot Capacity
460 L
No data
Boot Capacity (Seats Down)
No data
