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 5.4 inches shorter, 1.5 inches narrower and 0.6 inches lower than the 640i Gran Coupé.
M6 Coupé
640i Gran Coupé
54.2
73
80.2
54.8
74.6
81.9
73 in
Width
74.6 in
80.2 in
Width Incl. Mirrors
81.9 in
54.2 in
Height
54.8 in
109.5
191.8
116.9
197.1
191.8 in
Length
197.1 in
109.5 in
Wheelbase
116.9 in
Vehicle Weight
M6 Coupé
640i Gran Coupé
3935 lb
Curb Weight
4189 lb
4850 lb
Gross Vehicle
Weight
Weight
5357 lb
Weight Difference:
254 lb
6.06 %
General
M6 Coupé
640i Gran Coupé
E63
Generation
F06
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automated manual transmission (AMT)
Transmission
8-speed automatic transmission
Engine
M6 Coupé
640i Gran Coupé
V10 gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine with turbocharger
BMW S85
Engine Series
BMW N55
S85-B50
Engine Code
N55-B30
4
Valves
4
10
Cylinders
6
5 L / 245 cu in
Displacement
3 L / 147 cu in
500 hp
at 7750 rpm
Power
316 hp
at 5800 rpm
M6 Coupé
500 hp
316 hp
640i Gran Coupé
384 lb‑ft
at 6100 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
M6 Coupé
384 lb‑ft
332 lb‑ft
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
210 ft
0.000 sec
M6 Coupé
62 mph
62
mph
mph
243 ft
0.000 sec
640i Gran Coupé
▶ REPLAY
7.87 lb/hp
Weight-to-Power Ratio
13.26 lb/hp
M6 Coupé
7.87 lb/hp
13.26 lb/hp
640i Gran Coupé
Fuel Economy / Emissions
M6 Coupé
640i Gran Coupé
Fuel Economy
16 mpg
combined
29 mpg
M6 Coupé
16 mpg
29 mpg
640i Gran Coupé
11 mpg
city
21 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
18.5 gal
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)
550 g/mi (NEFZ)
CO2 Emissions
303 g/mi (NEFZ)
Practical Convenience
M6 Coupé
640i Gran Coupé
2
Doors
4
4
No. of Seats
5
915 lb
Maximum Payload
1168 lb
12.7 cu ft
Trunk Volume
13 cu ft
No data
Cargo Volume (Seats Down)
No data
