The Comparative Analysis :
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..) vs. BMW M6 Convertible M DKG (15 - 18)
€ 333,200

€ 138,800

€ 333,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 138,800
ⓘ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 15.2 inches longer, 1.9 inches wider and 5.3 inches taller than the BMW M6 Cabrio.
Rolls-Royce Ghost 6.6 V12
BMW M6 Cabrio
59.1
76.7
84.5
53.9
74.8
82.9
76.7 in
Width
74.8 in
84.5 in
Width Incl. Mirrors
82.9 in
59.1 in
Height
53.9 in
122.5
208.1
112.2
192.8
208.1 in
Length
192.8 in
122.5 in
Wheelbase
112.2 in
Vehicle Weight
Rolls-Royce Ghost 6.6 V12
BMW M6 Cabrio
5644 lb
Curb Weight
4530 lb
6195 lb
Gross Vehicle
Weight
Weight
5313 lb

Weight Difference:
1113 lb
19.72 %

General
Rolls-Royce Ghost 6.6 V12
BMW M6 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
7-speed dual clutch transmission
Engine
Rolls-Royce Ghost 6.6 V12
BMW M6 Cabrio
V12 gasoline engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
Engine Series
BMW S63
Engine Code
S63-B44
4
Valves
4
12
Cylinders
8
6.6 L / 323 cu in
Displacement
4.4 L / 215 cu in
562 hp
at 5250 rpm
Power
552 hp
at 6000 rpm
Rolls-Royce Ghost 6.6 V12
562 hp
552 hp
BMW M6 Cabrio
605 lb‑ft
at 1500 rpm
Max. Torque
502 lb‑ft
at 1500 rpm
Rolls-Royce Ghost 6.6 V12
605 lb‑ft
502 lb‑ft
BMW M6 Cabrio
Performance
Rolls-Royce Ghost 6.6 V12
BMW M6 Cabrio
155 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph
62
mph
mph
226 ft
0.000 sec

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

BMW M6 Cabrio
▶ REPLAY
10.04 lb/hp
Weight-to-Power Ratio
8.21 lb/hp
Rolls-Royce Ghost 6.6 V12
10.04 lb/hp
8.21 lb/hp
BMW M6 Cabrio
Fuel Economy / Emissions
Rolls-Royce Ghost 6.6 V12
BMW M6 Cabrio
Fuel Economy
15 mpg
combined
23 mpg
Rolls-Royce Ghost 6.6 V12
15 mpg
23 mpg
BMW M6 Cabrio
10 mpg
city
17 mpg
19 mpg
highway
No data
21.9 gal
Fuel Tank Capacity
21.1 gal
321 mi
Range
483 mi
Rolls-Royce Ghost 6.6 V12
321 mi
483 mi
BMW M6 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).
195.2 kWh
Rolls-Royce Ghost 6.6 V12
305 kWh
195.2 kWh
BMW M6 Cabrio
Euro 6d-TEMP
Emission Standard
Euro 6b (NEFZ)
591 g/mi (NEFZ)
CO2 Emissions
385 g/mi (NEFZ)
Practical Convenience
Rolls-Royce Ghost 6.6 V12
BMW M6 Cabrio
2
Doors
2
4
No. of Seats
4
551 lb
Maximum Payload
783 lb
9.1 cu ft
Trunk Volume
9.9 cu ft







No data
Cargo Volume (Seats Down)
No data