The Comparative Analysis :
BMW M6 Gran Coupé M DKG (15 - 18) vs. BMW 640d Coupé Steptronic (11 - 14)
€ 136,100
€ 78,800
€ 136,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 78,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The M6 Gran Coupé is slightly bigger in every dimension. It's 4.6 inches longer, 0.2 inches wider and an inch taller than the 640d Coupé.
M6 Gran Coupé
640d Coupé
54.9
74.8
82.9
53.9
74.6
81.9
74.8 in
Width
74.6 in
82.9 in
Width Incl. Mirrors
81.9 in
54.9 in
Height
53.9 in
116.7
197.3
112.4
192.7
197.3 in
Length
192.7 in
116.7 in
Wheelbase
112.4 in
Vehicle Weight
M6 Gran Coupé
640d Coupé
4299 lb
Curb Weight
3946 lb
5313 lb
Gross Vehicle
Weight
Weight
4894 lb
Weight Difference:
353 lb
8.21 %
General
M6 Gran Coupé
640d Coupé
F06
Generation
F13
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
M6 Gran Coupé
640d Coupé
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
BMW S63
Engine Series
BMW N57
S63-B44
Engine Code
N57-D30

4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3 L / 147 cu in
552 hp
at 6000 rpm
Power
309 hp
at 4400 rpm
M6 Gran Coupé
552 hp
309 hp
640d Coupé
502 lb‑ft
at 1500 rpm
Max. Torque
465 lb‑ft
at 1500 rpm
M6 Gran Coupé
502 lb‑ft
465 lb‑ft
640d Coupé
Performance
M6 Gran Coupé
640d Coupé
155 mph
Maximum Speed
155 mph
4.2 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph
62
mph
mph
190 ft
0.000 sec
M6 Gran Coupé
62 mph
62
mph
mph
249 ft
0.000 sec
640d Coupé
▶ REPLAY
7.79 lb/hp
Weight-to-Power Ratio
12.77 lb/hp
M6 Gran Coupé
7.79 lb/hp
12.77 lb/hp
640d Coupé
Fuel Economy / Emissions
M6 Gran Coupé
640d Coupé
Fuel Economy
24 mpg
combined
44 mpg
M6 Gran Coupé
24 mpg
44 mpg
640d Coupé
17 mpg
city
36 mpg
No data
highway
No data
21.1 gal
Fuel Tank Capacity
18.5 gal
502 mi
Range
805 mi
M6 Gran Coupé
502 mi
805 mi
640d Coupé
Environmental Impact
187.5 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).
111 kWh
M6 Gran Coupé
187.5 kWh
111 kWh
640d Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 5
372 g/mi (NEFZ)
CO2 Emissions
230 g/mi (NEFZ)
Practical Convenience
M6 Gran Coupé
640d Coupé
4
Doors
2
5
No. of Seats
4
1014 lb
Maximum Payload
948 lb
13 cu ft
Trunk Volume
13 cu ft










No data
Cargo Volume (Seats Down)
No data









