The Comparative Analysis :
BMW 640d Gran Coupé Steptronic (15 - 18) vs. BMW M6 Coupé SMG (05 - 10)
€ 89,200
€ 116,200
€ 89,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 116,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The 640d Gran Coupé is slightly bigger in every dimension. It's 5.4 inches longer, 1.5 inches wider and 0.6 inches taller than the M6 Coupé.
640d Gran Coupé
M6 Coupé
54.8
74.6
81.9
54.2
73
80.2
74.6 in
Width
73 in
81.9 in
Width Incl. Mirrors
80.2 in
54.8 in
Height
54.2 in
116.9
197.1
109.5
191.8
197.1 in
Length
191.8 in
116.9 in
Wheelbase
109.5 in
Vehicle Weight
640d Gran Coupé
M6 Coupé
4156 lb
Curb Weight
3935 lb
5313 lb
Gross Vehicle
Weight
Weight
4850 lb
Weight Difference:
220 lb
5.29 %
General
640d Gran Coupé
M6 Coupé
F06
Generation
E63
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
7-speed automated manual transmission (AMT)
Engine
640d Gran Coupé
M6 Coupé
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
V10 gasoline engine (naturally aspirated engine)
BMW N57
Engine Series
BMW S85
N57-D30
Engine Code
S85-B50

4
Valves
4
6
Cylinders
10
3 L / 147 cu in
Displacement
5 L / 245 cu in
309 hp
at 4400 rpm
Power
500 hp
at 7750 rpm
640d Gran Coupé
309 hp
500 hp
M6 Coupé
465 lb‑ft
at 1500 rpm
Max. Torque
384 lb‑ft
at 6100 rpm
640d Gran Coupé
465 lb‑ft
384 lb‑ft
M6 Coupé
Performance
640d Gran Coupé
M6 Coupé
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
246 ft
0.000 sec
640d Gran Coupé
62 mph
62
mph
mph
210 ft
0.000 sec
M6 Coupé
▶ REPLAY
13.45 lb/hp
Weight-to-Power Ratio
7.87 lb/hp
640d Gran Coupé
13.45 lb/hp
7.87 lb/hp
M6 Coupé
Fuel Economy / Emissions
640d Gran Coupé
M6 Coupé
Fuel Economy
43 mpg
combined
16 mpg
640d Gran Coupé
43 mpg
16 mpg
M6 Coupé
37 mpg
city
11 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
18.5 gal
791 mi
Range
304 mi
640d Gran Coupé
791 mi
304 mi
M6 Coupé
Environmental Impact
113.1 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).
270.9 kWh
640d Gran Coupé
113.1 kWh
270.9 kWh
M6 Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 4
237 g/mi (NEFZ)
CO2 Emissions
550 g/mi (NEFZ)
Practical Convenience
640d Gran Coupé
M6 Coupé
4
Doors
2
5
No. of Seats
4
1157 lb
Maximum Payload
915 lb
13 cu ft
Trunk Volume
12.7 cu ft









No data
Cargo Volume (Seats Down)
No data












