The Comparative Analysis :

BMW M6 Convertible M DKG (15 - 18) vs. BMW 840d Convertible xDrive Steptronic (19 - ..)

€ 138,800
BMW M6 Convertible M DKG (15 - 18) M6 Cabrio
€ 108,000
 BMW 840d Convertible xDrive Steptronic (19 - ..) 840d Cabrio
€ 138,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 108,000

ⓘ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 Cabrio is 2.2 inches longer, 0.1 inches narrower and 1.1 inches taller than the 840d Cabrio.
M6 Cabrio
840d Cabrio
53.9
Blueprint BMW M6 Convertible M DKG (15 - 18)
74.8
82.9
52.7
Blueprint BMW 840d Convertible xDrive Steptronic (19 - ..)
74.9
84.1
74.8 in
Width
74.9 in
82.9 in
Width Incl. Mirrors
84.1 in
53.9 in
Height
52.7 in
Blueprint BMW M6 Convertible M DKG (15 - 18)
112.2
192.8
Blueprint BMW 840d Convertible xDrive Steptronic (19 - ..)
111.1
190.7
192.8 in
Length
190.7 in
112.2 in
Wheelbase
111.1 in

Vehicle Weight

M6 Cabrio
840d Cabrio
4530 lb
Curb Weight
4475 lb
5313 lb
Gross Vehicle
Weight
5478 lb
BMW M6 Convertible M DKG (15 - 18)
Weight Difference:
55 lb
1.21 %
BMW 840d Convertible xDrive Steptronic (19 - ..)

General

M6 Cabrio
840d Cabrio
F12
Generation
G14
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed dual clutch transmission
Transmission
8-speed automatic transmission

Engine

M6 Cabrio
840d Cabrio
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
BMW S63
Engine Series
BMW B57
S63-B44
Engine Code
B57-D30
4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3 L / 147 cu in
552 hp
at 6000 rpm
Power
316 hp
at 4400 rpm
M6 Cabrio
552 hp
316 hp
840d Cabrio
502 lb‑ft
at 1500 rpm
Max. Torque
502 lb‑ft
at 1750 rpm
M6 Cabrio
502 lb‑ft
502 lb‑ft
840d Cabrio

Performance

M6 Cabrio
840d Cabrio
155 mph
Maximum Speed
155 mph
4.3 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph 62
mph

197 ft
0.000 sec

M6 Cabrio

62 mph 62
mph

236 ft
0.000 sec

840d Cabrio

▶ REPLAY
8.21 lb/hp
Weight-to-Power Ratio
14.16 lb/hp
M6 Cabrio
8.21 lb/hp
14.16 lb/hp
840d Cabrio

Fuel Economy / Emissions

M6 Cabrio
840d Cabrio
Fuel Economy
23 mpg
combined
38 mpg
M6 Cabrio
23 mpg
38 mpg
840d Cabrio
17 mpg
city
32 mpg
No data
highway
No data
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
17.4 gal
Kraftstoffanzeige
483 mi
Range
662 mi
M6 Cabrio
483 mi
662 mi
840d Cabrio
Environmental Impact
195.2 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).
127.6 kWh
M6 Cabrio
195.2 kWh
127.6 kWh
840d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
385 g/mi (NEFZ)
CO2 Emissions
296 g/mi (WLTP)

Practical Convenience

M6 Cabrio
840d Cabrio
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
1003 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data