The Comparative Analysis :
BMW M6 Coupé Competition M DKG (15 - 17) vs. BMW 640i Coupé Steptronic (13 - 14)
€ 139,100
€ 75,300
€ 139,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 75,300
ⓘ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. The M6 Coupé is just 0.2 inches longer, 0.2 inches wider and 0.2 inches lower than the 640i Coupé.
M6 Coupé
640i Coupé
53.7
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
53.7 in
Height
53.9 in
112.2
192.8
112.4
192.7
192.8 in
Length
192.7 in
112.2 in
Wheelbase
112.4 in
Vehicle Weight
M6 Coupé
640i Coupé
4244 lb
Curb Weight
3825 lb
5181 lb
Gross Vehicle
Weight
Weight
4806 lb
Weight Difference:
419 lb
9.87 %
General
M6 Coupé
640i Coupé
F13
Generation
F13
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 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
592 hp
at 6000 rpm
Power
316 hp
at 5800 rpm
M6 Coupé
592 hp
316 hp
640i Coupé
516 lb‑ft
at 1500 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
M6 Coupé
516 lb‑ft
332 lb‑ft
640i Coupé
Performance
M6 Coupé
640i Coupé
155 mph
Maximum Speed
155 mph
3.9 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
177 ft
0.000 sec
M6 Coupé
62 mph
62
mph
mph
246 ft
0.000 sec
640i Coupé
▶ REPLAY
7.17 lb/hp
Weight-to-Power Ratio
12.1 lb/hp
M6 Coupé
7.17 lb/hp
12.1 lb/hp
640i Coupé
Fuel Economy / Emissions
M6 Coupé
640i Coupé
Fuel Economy
24 mpg
combined
31 mpg
M6 Coupé
24 mpg
31 mpg
640i Coupé
17 mpg
city
22 mpg
No data
highway
No data
21.1 gal
Fuel Tank Capacity
18.5 gal
502 mi
Range
572 mi
M6 Coupé
502 mi
572 mi
640i 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).
144 kWh
M6 Coupé
187.5 kWh
144 kWh
640i Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
372 g/mi (NEFZ)
CO2 Emissions
285 g/mi (NEFZ)
Practical Convenience
M6 Coupé
640i Coupé
2
Doors
2
4
No. of Seats
4
937 lb
Maximum Payload
981 lb
13 cu ft
Trunk Volume
13 cu ft
No data
Cargo Volume (Seats Down)
No data
