The Comparative Analysis :
BMW M6 Coupé M DKG (12 - 14) vs. BMW 640i Gran Coupé Automatic (12 - 13)
€ 124,000
€ 79,900
€ 124,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 79,900
ⓘ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 M6 Coupé is 4.3 inches shorter, 0.2 inches wider and 0.7 inches lower than the 640i Gran Coupé.
M6 Coupé
640i Gran Coupé
54.1
74.8
82.9
54.8
74.6
81.9
74.8 in
Width
74.6 in
82.9 in
Width Incl. Mirrors
81.9 in
54.1 in
Height
54.8 in
112.2
192.8
116.9
197.1
192.8 in
Length
197.1 in
112.2 in
Wheelbase
116.9 in
Vehicle Weight
M6 Coupé
640i Gran Coupé
4244 lb
Curb Weight
4023 lb
5181 lb
Gross Vehicle
Weight
Weight
5203 lb
Weight Difference:
220 lb
5.18 %
General
M6 Coupé
640i Gran Coupé
F13
Generation
F06
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
M6 Coupé
640i Gran Coupé
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six gasoline engine with turbocharger
BMW S63
Engine Series
BMW N55
S63-B44
Engine Code
N55-B30
4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3 L / 147 cu in
552 hp
at 6000 rpm
Power
316 hp
at 5800 rpm
M6 Coupé
552 hp
316 hp
640i Gran Coupé
502 lb‑ft
at 1500 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
M6 Coupé
502 lb‑ft
332 lb‑ft
640i Gran Coupé
Performance
M6 Coupé
640i Gran Coupé
155 mph
Maximum Speed
155 mph
4.2 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
190 ft
0.000 sec
M6 Coupé
62 mph
62
mph
mph
246 ft
0.000 sec
640i Gran Coupé
▶ REPLAY
7.69 lb/hp
Weight-to-Power Ratio
12.73 lb/hp
M6 Coupé
7.69 lb/hp
12.73 lb/hp
640i Gran Coupé
Fuel Economy / Emissions
M6 Coupé
640i Gran Coupé
Fuel Economy
24 mpg
combined
30 mpg
M6 Coupé
24 mpg
30 mpg
640i Gran Coupé
17 mpg
city
22 mpg
No data
highway
No data
21.1 gal
Fuel Tank Capacity
18.5 gal
502 mi
Range
557 mi
M6 Coupé
502 mi
557 mi
640i Gran 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).
147.7 kWh
M6 Coupé
187.5 kWh
147.7 kWh
640i Gran Coupé
Euro 5
Emission Standard
Euro 5
373 g/mi (NEFZ)
CO2 Emissions
291 g/mi (NEFZ)
Practical Convenience
M6 Coupé
640i Gran Coupé
2
Doors
4
4
No. of Seats
5
937 lb
Maximum Payload
1179 lb
13 cu ft
Trunk Volume
13 cu ft
No data
Cargo Volume (Seats Down)
No data
