The Comparative Analysis :
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18) vs. BMW 650i Convertible Steptronic (15 - 18)
€ 333,200

€ 103,300

€ 333,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 103,300
ⓘ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 15.4 inches longer, 2.1 inches wider and 5.4 inches taller than the BMW 650i Cabrio.
Rolls-Royce Ghost 6.6 V12
BMW 650i Cabrio
59.1
76.7
84.5
53.7
74.6
81.9
76.7 in
Width
74.6 in
84.5 in
Width Incl. Mirrors
81.9 in
59.1 in
Height
53.7 in
122.5
208.1
112.4
192.7
208.1 in
Length
192.7 in
122.5 in
Wheelbase
112.4 in
Vehicle Weight
Rolls-Royce Ghost 6.6 V12
BMW 650i Cabrio
5644 lb
Curb Weight
4420 lb
6195 lb
Gross Vehicle
Weight
Weight
5346 lb

Weight Difference:
1224 lb
21.69 %

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

Rear-wheel drive
Drivetrain
Rear-wheel drive

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

Rolls-Royce Ghost 6.6 V12
62 mph
62
mph
mph
210 ft
0.000 sec

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







No data
Cargo Volume (Seats Down)
No data