The Comparative Analysis :
BMW M6 Coupé M DKG (15 - 17) vs. BMW 840i Coupé xDrive Steptronic (19 - ..)
€ 129,600
€ 97,800
€ 129,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 97,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The M6 Coupé is 2.2 inches longer, 0.1 inches narrower and 1.3 inches taller than the 840i Coupé.
M6 Coupé
840i Coupé
54.1
74.8
82.9
52.8
74.9
84.1
74.8 in
Width
74.9 in
82.9 in
Width Incl. Mirrors
84.1 in
54.1 in
Height
52.8 in
112.2
192.8
111.1
190.7
192.8 in
Length
190.7 in
112.2 in
Wheelbase
111.1 in
Vehicle Weight
M6 Coupé
840i Coupé
4244 lb
Curb Weight
4068 lb
5181 lb
Gross Vehicle
Weight
Weight
5027 lb
Weight Difference:
176 lb
4.15 %
General
M6 Coupé
840i Coupé
F13
Generation
G15
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
M6 Coupé
840i Coupé
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six gasoline engine with turbocharger
BMW S63
Engine Series
BMW B58
S63-B44
Engine Code
B58-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
335 hp
at 5000 rpm
M6 Coupé
552 hp
335 hp
840i Coupé
502 lb‑ft
at 1500 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
M6 Coupé
502 lb‑ft
369 lb‑ft
840i Coupé
Performance
M6 Coupé
840i Coupé
155 mph
Maximum Speed
155 mph
4.2 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
190 ft
0.000 sec
M6 Coupé
62 mph
62
mph
mph
213 ft
0.000 sec
840i Coupé
▶ REPLAY
7.69 lb/hp
Weight-to-Power Ratio
12.14 lb/hp
M6 Coupé
7.69 lb/hp
12.14 lb/hp
840i Coupé
Fuel Economy / Emissions
M6 Coupé
840i Coupé
Fuel Economy
24 mpg
combined
31 mpg
M6 Coupé
24 mpg
31 mpg
840i Coupé
17 mpg
city
25 mpg
No data
highway
No data
21.1 gal
Fuel Tank Capacity
18 gal
502 mi
Range
564 mi
M6 Coupé
502 mi
564 mi
840i 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).
142.1 kWh
M6 Coupé
187.5 kWh
142.1 kWh
840i Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
372 g/mi (NEFZ)
CO2 Emissions
323 g/mi (WLTP)
Practical Convenience
M6 Coupé
840i Coupé
2
Doors
2
4
No. of Seats
4
937 lb
Maximum Payload
959 lb
13 cu ft
Trunk Volume
11.9 cu ft









No data
Cargo Volume (Seats Down)
No data














