The Comparative Analysis :

BMW 640i Cabrio xDrive Automatic (13 - 13) vs. Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..)

€ 87,300
BMW 640i Cabrio xDrive Automatic (13 - 13) BMW 640i Cabrio
€ 381,900
 Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..) Rolls-Royce Ghost 6.6 V12
€ 87,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 381,900

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW 640i Cabrio is significantly smaller in every dimension. It's 39.1 cm shorter, 5.3 cm narrower and 13.7 cm lower than the Rolls-Royce Ghost 6.6 V12.
BMW 640i Cabrio
Rolls-Royce Ghost 6.6 V12
1365
Blueprint BMW 640i Cabrio xDrive Automatic (13 - 13)
1894
2081
1502
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..)
1947
2147
1894 mm
Width
1947 mm
2081 mm
Width Incl. Mirrors
2147 mm
1365 mm
Height
1502 mm
Blueprint BMW 640i Cabrio xDrive Automatic (13 - 13)
2855
4894
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..)
3112
5285
4894 mm
Length
5285 mm
2855 mm
Wheelbase
3112 mm

Vehicle Weight

BMW 640i Cabrio
Rolls-Royce Ghost 6.6 V12
1985 kg
Kerb Weight
2560 kg
2400 kg
Gross Vehicle
Weight
2810 kg
BMW 640i Cabrio xDrive Automatic (13 - 13)
Weight Difference:
575 kg
22.46 %
Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..)

General

BMW 640i Cabrio
Rolls-Royce Ghost 6.6 V12
F12
Generation
RR6
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Permanent all-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

BMW 640i Cabrio
Rolls-Royce Ghost 6.6 V12
Straight-six petrol engine with tur­bo­charger
Engine Type
V12 petrol engine with two tur­bo­chargers (bi­turbo)
BMW N55
Engine Series
N55-B30
Engine Code
4
Valves
4
6
Cylinders
12
2979 CC
Engine Capacity
6592 CC
316 bhp
at 5800 rpm
Power
593 bhp
at 5250 rpm
BMW 640i Cabrio
316 bhp
593 bhp
Rolls-Royce Ghost 6.6 V12
450 NM
at 1300 rpm
Max. Torque
840 NM
at 1650 rpm
BMW 640i Cabrio
450 NM
840 NM
Rolls-Royce Ghost 6.6 V12

Performance

BMW 640i Cabrio
Rolls-Royce Ghost 6.6 V12
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

75 m
0.000 sec

BMW 640i Cabrio

62 mph 62
mph

68 m
0.000 sec

Rolls-Royce Ghost 6.6 V12

▶ REPLAY
6.28 kg/bhp
Weight-to-Power Ratio
4.32 kg/bhp
BMW 640i Cabrio
6.28 kg/bhp
4.32 kg/bhp
Rolls-Royce Ghost 6.6 V12

Fuel Economy / Emissions

BMW 640i Cabrio
Rolls-Royce Ghost 6.6 V12
Fuel Economy
34 mpg
combined
19 mpg
BMW 640i Cabrio
34 mpg
19 mpg
Rolls-Royce Ghost 6.6 V12
25 mpg
city
12 mpg
No data
motorway
28 mpg
Kraftstoffanzeige
70 L
Fuel Tank Capacity
83 L
Kraftstoffanzeige
531 mi
Range
351 mi
BMW 640i Cabrio
531 mi
351 mi
Rolls-Royce Ghost 6.6 V12
Environmental Impact
155.3 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).
278.4 kWh
BMW 640i Cabrio
155.3 kWh
278.4 kWh
Rolls-Royce Ghost 6.6 V12
Euro 5
Emission Standard
Euro 6
192 g/km (NEFZ)
CO2 Emissions
337 g/km (NEFZ)

Practical Convenience

BMW 640i Cabrio
Rolls-Royce Ghost 6.6 V12
2
Doors
2
4
No. of Seats
4
415 kg
Maximum Payload
250 kg
350 L
Boot Capacity
321 L
No data
Boot Capacity (Seats Down)
No data