The Comparative Analysis :
BMW 640i Gran Coupé Steptronic (13 - 14) vs. BMW M6 Gran Coupé M DKG (13 - 14)
€ 79,900
€ 128,800
€ 79,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 128,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same height, but the 640i Gran Coupé is 0.2 inches shorter and 0.2 inches narrower.
640i Gran Coupé
M6 Gran Coupé
54.8
74.6
81.9
54.8
74.8
82.9
74.6 in
Width
74.8 in
81.9 in
Width Incl. Mirrors
82.9 in
54.8 in
Height
54.8 in
116.9
197.1
116.7
197.3
197.1 in
Length
197.3 in
116.9 in
Wheelbase
116.7 in
Vehicle Weight
640i Gran Coupé
M6 Gran Coupé
4023 lb
Curb Weight
4299 lb
5203 lb
Gross Vehicle
Weight
Weight
5313 lb
Weight Difference:
276 lb
6.42 %
General
640i Gran Coupé
M6 Gran Coupé
F06
Generation
F06
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
640i Gran Coupé
M6 Gran Coupé
Straight-six gasoline engine with turbocharger
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
BMW N55
Engine Series
BMW S63
N55-B30
Engine Code
S63-B44
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.4 L / 215 cu in
316 hp
at 5800 rpm
Power
552 hp
at 6000 rpm
640i Gran Coupé
316 hp
552 hp
M6 Gran Coupé
332 lb‑ft
at 1300 rpm
Max. Torque
502 lb‑ft
at 1500 rpm
640i Gran Coupé
332 lb‑ft
502 lb‑ft
M6 Gran Coupé
Performance
640i Gran Coupé
M6 Gran Coupé
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
246 ft
0.000 sec
640i Gran Coupé
62 mph
62
mph
mph
190 ft
0.000 sec
M6 Gran Coupé
▶ REPLAY
12.73 lb/hp
Weight-to-Power Ratio
7.79 lb/hp
640i Gran Coupé
12.73 lb/hp
7.79 lb/hp
M6 Gran Coupé
Fuel Economy / Emissions
640i Gran Coupé
M6 Gran Coupé
Fuel Economy
30 mpg
combined
24 mpg
640i Gran Coupé
30 mpg
24 mpg
M6 Gran Coupé
22 mpg
city
17 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
21.1 gal
557 mi
Range
502 mi
640i Gran Coupé
557 mi
502 mi
M6 Gran Coupé
Environmental Impact
147.7 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).
187.5 kWh
640i Gran Coupé
147.7 kWh
187.5 kWh
M6 Gran Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 5
291 g/mi (NEFZ)
CO2 Emissions
373 g/mi (NEFZ)
Practical Convenience
640i Gran Coupé
M6 Gran Coupé
4
Doors
4
5
No. of Seats
5
1179 lb
Maximum Payload
1014 lb
13 cu ft
Trunk Volume
13 cu ft
No data
Cargo Volume (Seats Down)
No data
