The Comparative Analysis :

BMW M6 Gran Coupé Competition M DKG (15 - 18) vs. BMW 640i Coupé Steptronic (15 - 17)

€ 144,600
BMW M6 Gran Coupé Competition M DKG (15 - 18) M6 Gran Coupé
€ 81,900
 BMW 640i Coupé Steptronic (15 - 17) 640i Coupé
€ 144,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 81,900

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The M6 Gran Coupé is slightly bigger in every dimension. It's 4.6 inches longer, 0.2 inches wider and 0.6 inches taller than the 640i Coupé.
M6 Gran Coupé
640i Coupé
54.5
Blueprint BMW M6 Gran Coupé Competition M DKG (15 - 18)
74.8
82.9
53.9
Blueprint BMW 640i Coupé Steptronic (15 - 17)
74.6
81.9
74.8 in
Width
74.6 in
82.9 in
Width Incl. Mirrors
81.9 in
54.5 in
Height
53.9 in
Blueprint BMW M6 Gran Coupé Competition M DKG (15 - 18)
116.7
197.3
Blueprint BMW 640i Coupé Steptronic (15 - 17)
112.4
192.7
197.3 in
Length
192.7 in
116.7 in
Wheelbase
112.4 in

Vehicle Weight

M6 Gran Coupé
640i Coupé
4299 lb
Curb Weight
3880 lb
5313 lb
Gross Vehicle
Weight
4872 lb
BMW M6 Gran Coupé Competition M DKG (15 - 18)
Weight Difference:
419 lb
9.75 %
BMW 640i Coupé Steptronic (15 - 17)

General

M6 Gran Coupé
640i Coupé
F06
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 Gran 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 Gran Coupé
592 hp
316 hp
640i Coupé
516 lb‑ft
at 1500 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
M6 Gran Coupé
516 lb‑ft
332 lb‑ft
640i Coupé

Performance

M6 Gran Coupé
640i Coupé
155 mph
Maximum Speed
155 mph
3.9 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph 62
mph

177 ft
0.000 sec

M6 Gran Coupé

62 mph 62
mph

243 ft
0.000 sec

640i Coupé

▶ REPLAY
7.26 lb/hp
Weight-to-Power Ratio
12.28 lb/hp
M6 Gran Coupé
7.26 lb/hp
12.28 lb/hp
640i Coupé

Fuel Economy / Emissions

M6 Gran Coupé
640i Coupé
Fuel Economy
24 mpg
combined
31 mpg
M6 Gran Coupé
24 mpg
31 mpg
640i Coupé
17 mpg
city
22 mpg
No data
highway
No data
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
502 mi
Range
572 mi
M6 Gran 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).
144 kWh
M6 Gran 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 Gran Coupé
640i Coupé
4
Doors
2
5
No. of Seats
4
1014 lb
Maximum Payload
992 lb
13 cu ft
Trunk Volume
13 cu ft
No data
Cargo Volume (Seats Down)
No data