The Comparative Analysis :
BMW 650i Convertible xDrive Automatic (12 - 13) vs. Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)
€ 99,300

€ 333,200

€ 99,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 333,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 650i Cabrio is significantly smaller in every dimension. It's 15.4 inches shorter, 2.1 inches narrower and 5.4 inches lower than the Rolls-Royce Ghost 6.6 V12.
BMW 650i Cabrio
Rolls-Royce Ghost 6.6 V12
53.7
74.6
81.9
59.1
76.7
84.5
74.6 in
Width
76.7 in
81.9 in
Width Incl. Mirrors
84.5 in
53.7 in
Height
59.1 in
112.4
192.7
122.5
208.1
192.7 in
Length
208.1 in
112.4 in
Wheelbase
122.5 in
Vehicle Weight
BMW 650i Cabrio
Rolls-Royce Ghost 6.6 V12
4530 lb
Curb Weight
5644 lb
5434 lb
Gross Vehicle
Weight
Weight
6195 lb

Weight Difference:
1113 lb
19.72 %

General
BMW 650i Cabrio
Rolls-Royce Ghost 6.6 V12
F12
Generation
RR6
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

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

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
BMW 650i Cabrio
Rolls-Royce Ghost 6.6 V12
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
V12 gasoline engine with two turbochargers (biturbo)
BMW N63
Engine Series
N63-B44
Engine Code
4
Valves
4
8
Cylinders
12
4.4 L / 215 cu in
Displacement
6.6 L / 323 cu in
444 hp
at 5500 rpm
Power
562 hp
at 5600 rpm
BMW 650i Cabrio
444 hp
562 hp
Rolls-Royce Ghost 6.6 V12
479 lb‑ft
at 2000 rpm
Max. Torque
575 lb‑ft
at 1400 rpm
BMW 650i Cabrio
479 lb‑ft
575 lb‑ft
Rolls-Royce Ghost 6.6 V12
Performance
BMW 650i Cabrio
Rolls-Royce Ghost 6.6 V12
155 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
223 ft
0.000 sec

BMW 650i Cabrio
62 mph
62
mph
mph
223 ft
0.000 sec

Rolls-Royce Ghost 6.6 V12
▶ REPLAY
10.2 lb/hp
Weight-to-Power Ratio
10.04 lb/hp
BMW 650i Cabrio
10.2 lb/hp
10.04 lb/hp
Rolls-Royce Ghost 6.6 V12
Fuel Economy / Emissions
BMW 650i Cabrio
Rolls-Royce Ghost 6.6 V12
Fuel Economy
25 mpg
combined
16 mpg
BMW 650i Cabrio
25 mpg
16 mpg
Rolls-Royce Ghost 6.6 V12
18 mpg
city
11 mpg
No data
highway
24 mpg
18.5 gal
Fuel Tank Capacity
21.9 gal
468 mi
Range
358 mi
BMW 650i Cabrio
468 mi
358 mi
Rolls-Royce Ghost 6.6 V12
Environmental Impact
176.2 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).
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).
272.8 kWh
BMW 650i Cabrio
176.2 kWh
272.8 kWh
Rolls-Royce Ghost 6.6 V12
Euro 5
Emission Standard
Euro 6b (NEFZ)
349 g/mi (NEFZ)
CO2 Emissions
531 g/mi (NEFZ)
Practical Convenience
BMW 650i Cabrio
Rolls-Royce Ghost 6.6 V12
2
Doors
2
4
No. of Seats
4
904 lb
Maximum Payload
551 lb
9.9 cu ft
Trunk Volume
9.1 cu ft







No data
Cargo Volume (Seats Down)
No data