The Comparative Analysis :

BMW 640i Coupé xDrive Steptronic (15 - 17) vs. BMW M6 Gran Coupé Competition M DKG (15 - 18)

€ 85,300
BMW 640i Coupé xDrive Steptronic (15 - 17) 640i Coupé
€ 144,600
 BMW M6 Gran Coupé Competition M DKG (15 - 18) M6 Gran Coupé
€ 85,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 144,600

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The 640i Coupé is slightly smaller in every dimension. It's 11.7 cm shorter, 0.5 cm narrower and 1.6 cm lower than the M6 Gran Coupé.
640i Coupé
M6 Gran Coupé
1369
Blueprint BMW 640i Coupé xDrive Steptronic (15 - 17)
1894
2081
1385
Blueprint BMW M6 Gran Coupé Competition M DKG (15 - 18)
1899
2106
1894 mm
Width
1899 mm
2081 mm
Width Incl. Mirrors
2106 mm
1369 mm
Height
1385 mm
Blueprint BMW 640i Coupé xDrive Steptronic (15 - 17)
2855
4894
Blueprint BMW M6 Gran Coupé Competition M DKG (15 - 18)
2964
5011
4894 mm
Length
5011 mm
2855 mm
Wheelbase
2964 mm

Vehicle Weight

640i Coupé
M6 Gran Coupé
1840 kg
Kerb Weight
1950 kg
2265 kg
Gross Vehicle
Weight
2410 kg
BMW 640i Coupé xDrive Steptronic (15 - 17)
Weight Difference:
110 kg
5.64 %
BMW M6 Gran Coupé Competition M DKG (15 - 18)

General

640i Coupé
M6 Gran Coupé
F13
Generation
F06
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 Coupé
M6 Gran 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
592 bhp
at 6000 rpm
640i Coupé
316 bhp
592 bhp
M6 Gran Coupé
450 NM
at 1300 rpm
Max. Torque
700 NM
at 1500 rpm
640i Coupé
450 NM
700 NM
M6 Gran Coupé

Performance

640i Coupé
M6 Gran Coupé
155 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph 62
mph

72 m
0.000 sec

640i Coupé

62 mph 62
mph

54 m
0.000 sec

M6 Gran Coupé

▶ REPLAY
5.82 kg/bhp
Weight-to-Power Ratio
3.29 kg/bhp
640i Coupé
5.82 kg/bhp
3.29 kg/bhp
M6 Gran Coupé

Fuel Economy / Emissions

640i Coupé
M6 Gran Coupé
Fuel Economy
35 mpg
combined
29 mpg
640i Coupé
35 mpg
29 mpg
M6 Gran Coupé
25 mpg
city
20 mpg
No data
motorway
No data
Kraftstoffanzeige
70 L
Fuel Tank Capacity
80 L
Kraftstoffanzeige
544 mi
Range
502 mi
640i Coupé
544 mi
502 mi
M6 Gran Coupé
Environmental Impact
151.6 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).
187.5 kWh
640i Coupé
151.6 kWh
187.5 kWh
M6 Gran Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
187 g/km (NEFZ)
CO2 Emissions
231 g/km (NEFZ)

Practical Convenience

640i Coupé
M6 Gran Coupé
2
Doors
4
4
No. of Seats
5
425 kg
Maximum Payload
460 kg
460 L
Boot Capacity
460 L
No data
Boot Capacity (Seats Down)
No data