The Comparative Analysis :
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18) vs. BMW 840i Cabrio xDrive Steptronic (19 - ..)
€ 333,200

€ 105,800

€ 333,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 105,800
ⓘ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 840i Cabrio.
Rolls-Royce Ghost 6.6 V12
BMW 840i 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 840i Cabrio
2560 kg
Kerb Weight
1955 kg
2810 kg
Gross Vehicle
Weight
Weight
2400 kg

Weight Difference:
605 kg
23.63 %

General
Rolls-Royce Ghost 6.6 V12
BMW 840i Cabrio
RR6
Generation
G14
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Rolls-Royce Ghost 6.6 V12
BMW 840i Cabrio
V12 petrol engine with two turbochargers (biturbo)
Engine Type
Straight-six petrol engine with turbocharger
Engine Series
BMW B58
Engine Code
B58-B30

4
Valves
4
12
Cylinders
6
6592 CC
Engine Capacity
2998 CC
562 bhp
at 5600 rpm
Power
335 bhp
at 5000 rpm
Rolls-Royce Ghost 6.6 V12
562 bhp
335 bhp
BMW 840i Cabrio
780 NM
at 1400 rpm
Max. Torque
500 NM
at 1600 rpm
Rolls-Royce Ghost 6.6 V12
780 NM
500 NM
BMW 840i Cabrio
Performance
Rolls-Royce Ghost 6.6 V12
BMW 840i Cabrio
155 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
68 m
0.000 sec

Rolls-Royce Ghost 6.6 V12
62 mph
62
mph
mph
68 m
0.000 sec

BMW 840i Cabrio
▶ REPLAY
4.56 kg/bhp
Weight-to-Power Ratio
5.84 kg/bhp
Rolls-Royce Ghost 6.6 V12
4.56 kg/bhp
5.84 kg/bhp
BMW 840i Cabrio
Fuel Economy / Emissions
Rolls-Royce Ghost 6.6 V12
BMW 840i Cabrio
Fuel Economy
20 mpg
combined
37 mpg
Rolls-Royce Ghost 6.6 V12
20 mpg
37 mpg
BMW 840i Cabrio
13 mpg
city
29 mpg
28 mpg
motorway
No data
83 L
Fuel Tank Capacity
68 L
358 mi
Range
549 mi
Rolls-Royce Ghost 6.6 V12
358 mi
549 mi
BMW 840i Cabrio
Environmental Impact
272.8 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).
145.8 kWh
Rolls-Royce Ghost 6.6 V12
272.8 kWh
145.8 kWh
BMW 840i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
330 g/km (NEFZ)
CO2 Emissions
205 g/km (WLTP)
Practical Convenience
Rolls-Royce Ghost 6.6 V12
BMW 840i Cabrio
2
Doors
2
4
No. of Seats
4
250 kg
Maximum Payload
445 kg
321 L
Boot Capacity
350 L







No data
Boot Capacity (Seats Down)
No data