The Comparative Analysis :
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..) vs. BMW 840d Cabrio xDrive Steptronic (19 - ..)
€ 333,200
![Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..)](graphbase/cars/cars_big_png/Rolls-Royce_Ghost_Dawn_RR6-16.png)
€ 108,000
![BMW 840d Cabrio xDrive Steptronic (19 - ..)](graphbase/cars/cars_big/BMW_8er_G14.webp)
€ 333,200
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 Rolls-Royce Ghost 6.6 V12 is significantly bigger in every dimension. It's 44.2 cm longer, 4.5 cm wider and 16.3 cm taller than the BMW 840d Cabrio.
Rolls-Royce Ghost 6.6 V12
BMW 840d Cabrio
1502
1947
2147
1339
1902
2137
1947 mm
Width
1902 mm
2147 mm
Width Incl. Mirrors
2137 mm
1502 mm
Height
1339 mm
3112
5285
2822
4843
5285 mm
Length
4843 mm
3112 mm
Wheelbase
2822 mm
Vehicle Weight
Rolls-Royce Ghost 6.6 V12
BMW 840d Cabrio
2560 kg
Kerb Weight
2030 kg
2810 kg
Gross Vehicle
Weight
Weight
2485 kg
![Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..)](graphbase/cars/cars_big_png/Rolls-Royce_Ghost_Dawn_RR6-16.png)
Weight Difference:
530 kg
20.7 %
![BMW 840d Cabrio xDrive Steptronic (19 - ..)](graphbase/cars/cars_big_png/BMW_8er_G14.png)
General
Rolls-Royce Ghost 6.6 V12
BMW 840d Cabrio
RR6
Generation
G14
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Diesel
![](graphbase/drivetrain/RWD.png)
Rear-wheel drive
Drive
Permanent all-wheel drive
![](graphbase/drivetrain/AWD.png)
8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Rolls-Royce Ghost 6.6 V12
BMW 840d Cabrio
V12 petrol engine with two turbochargers (biturbo)
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
Engine Series
BMW B57
Engine Code
B57-D30
4
Valves
4
12
Cylinders
6
6592 CC
Engine Capacity
2993 CC
562 bhp
at 5250 rpm
Power
316 bhp
at 4400 rpm
Rolls-Royce Ghost 6.6 V12
562 bhp
316 bhp
BMW 840d Cabrio
820 NM
at 1500 rpm
Max. Torque
680 NM
at 1750 rpm
Rolls-Royce Ghost 6.6 V12
820 NM
680 NM
BMW 840d Cabrio
Performance
Rolls-Royce Ghost 6.6 V12
BMW 840d Cabrio
155 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
69 m
0.000 sec
![](graphbase/cars/cars_small_png/Rolls-Royce_Ghost_Dawn_RR6-16.png)
Rolls-Royce Ghost 6.6 V12
62 mph
62
mph
mph
72 m
0.000 sec
![](graphbase/cars/cars_small_png/BMW_8er_G14.png)
BMW 840d Cabrio
▶ REPLAY
4.56 kg/bhp
Weight-to-Power Ratio
6.42 kg/bhp
Rolls-Royce Ghost 6.6 V12
4.56 kg/bhp
6.42 kg/bhp
BMW 840d Cabrio
Fuel Economy / Emissions
Rolls-Royce Ghost 6.6 V12
BMW 840d Cabrio
Fuel Economy
18 mpg
combined
46 mpg
Rolls-Royce Ghost 6.6 V12
18 mpg
46 mpg
BMW 840d Cabrio
13 mpg
city
38 mpg
23 mpg
motorway
No data
83 L
Fuel Tank Capacity
66 L
321 mi
Range
662 mi
Rolls-Royce Ghost 6.6 V12
321 mi
662 mi
BMW 840d Cabrio
Environmental Impact
305 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).
127.6 kWh
Rolls-Royce Ghost 6.6 V12
305 kWh
127.6 kWh
BMW 840d Cabrio
Euro 6d-TEMP
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
367 g/km (NEFZ)
CO2 Emissions
184 g/km (WLTP)
Practical Convenience
Rolls-Royce Ghost 6.6 V12
BMW 840d Cabrio
2
Doors
2
4
No. of Seats
4
250 kg
Maximum Payload
455 kg
321 L
Boot Capacity
350 L
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KS.png)
No data
Boot Capacity (Seats Down)
No data