The Comparative Analysis :

BMW 640i Coupé xDrive Steptronic (15 - 17) vs. BMW M6 Gran Coupé M DKG (13 - 14)

€ 85,300
BMW 640i Coupé xDrive Steptronic (15 - 17) 640i Coupé
€ 128,800
 BMW M6 Gran Coupé M DKG (13 - 14) M6 Gran Coupé
€ 85,300
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

The 640i Coupé is slightly smaller in every dimension. It's 4.6 inches shorter, 0.2 inches narrower and 0.9 inches lower than the M6 Gran Coupé.
640i Coupé
M6 Gran Coupé
53.9
Blueprint BMW 640i Coupé xDrive Steptronic (15 - 17)
74.6
81.9
54.8
Blueprint BMW M6 Gran Coupé M DKG (13 - 14)
74.8
82.9
74.6 in
Width
74.8 in
81.9 in
Width Incl. Mirrors
82.9 in
53.9 in
Height
54.8 in
Blueprint BMW 640i Coupé xDrive Steptronic (15 - 17)
112.4
192.7
Blueprint BMW M6 Gran Coupé M DKG (13 - 14)
116.7
197.3
192.7 in
Length
197.3 in
112.4 in
Wheelbase
116.7 in

Vehicle Weight

640i Coupé
M6 Gran Coupé
4057 lb
Curb Weight
4299 lb
4993 lb
Gross Vehicle
Weight
5313 lb
BMW 640i Coupé xDrive Steptronic (15 - 17)
Weight Difference:
243 lb
5.65 %
BMW M6 Gran Coupé M DKG (13 - 14)

General

640i Coupé
M6 Gran Coupé
F13
Generation
F06
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

640i 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 Coupé
316 hp
552 hp
M6 Gran Coupé
332 lb‑ft
at 1300 rpm
Max. Torque
502 lb‑ft
at 1500 rpm
640i Coupé
332 lb‑ft
502 lb‑ft
M6 Gran Coupé

Performance

640i Coupé
M6 Gran Coupé
155 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph 62
mph

236 ft
0.000 sec

640i Coupé

62 mph 62
mph

190 ft
0.000 sec

M6 Gran Coupé

▶ REPLAY
12.84 lb/hp
Weight-to-Power Ratio
7.79 lb/hp
640i Coupé
12.84 lb/hp
7.79 lb/hp
M6 Gran Coupé

Fuel Economy / Emissions

640i Coupé
M6 Gran Coupé
Fuel Economy
29 mpg
combined
24 mpg
640i Coupé
29 mpg
24 mpg
M6 Gran Coupé
21 mpg
city
17 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
21.1 gal
Kraftstoffanzeige
544 mi
Range
502 mi
640i Coupé
544 mi
502 mi
M6 Gran Coupé
Environmental Impact
151.6 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).
187.5 kWh
640i Coupé
151.6 kWh
187.5 kWh
M6 Gran Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 5
301 g/mi (NEFZ)
CO2 Emissions
373 g/mi (NEFZ)

Practical Convenience

640i Coupé
M6 Gran Coupé
2
Doors
4
4
No. of Seats
5
937 lb
Maximum Payload
1014 lb
13 cu ft
Trunk Volume
13 cu ft
No data
Cargo Volume (Seats Down)
No data