The Comparative Analysis :

BMW M6 Convertible M DKG (15 - 18) vs. Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)

€ 138,800
BMW M6 Convertible M DKG (15 - 18) BMW M6 Cabrio
€ 333,200
 Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18) Rolls-Royce Ghost 6.6 V12
€ 138,800
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 M6 Cabrio is significantly smaller in every dimension. It's 15.2 inches shorter, 1.9 inches narrower and 5.3 inches lower than the Rolls-Royce Ghost 6.6 V12.
BMW M6 Cabrio
Rolls-Royce Ghost 6.6 V12
53.9
Blueprint BMW M6 Convertible M DKG (15 - 18)
74.8
82.9
59.1
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)
76.7
84.5
74.8 in
Width
76.7 in
82.9 in
Width Incl. Mirrors
84.5 in
53.9 in
Height
59.1 in
Blueprint BMW M6 Convertible M DKG (15 - 18)
112.2
192.8
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)
122.5
208.1
192.8 in
Length
208.1 in
112.2 in
Wheelbase
122.5 in

Vehicle Weight

BMW M6 Cabrio
Rolls-Royce Ghost 6.6 V12
4530 lb
Curb Weight
5644 lb
5313 lb
Gross Vehicle
Weight
6195 lb
BMW M6 Convertible M DKG (15 - 18)
Weight Difference:
1113 lb
19.72 %
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)

General

BMW M6 Cabrio
Rolls-Royce Ghost 6.6 V12
F12
Generation
RR6
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed dual clutch transmission
Transmission
8-speed automatic transmission

Engine

BMW M6 Cabrio
Rolls-Royce Ghost 6.6 V12
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
V12 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW S63
Engine Series
S63-B44
Engine Code
4
Valves
4
8
Cylinders
12
4.4 L / 215 cu in
Displacement
6.6 L / 323 cu in
552 hp
at 6000 rpm
Power
562 hp
at 5600 rpm
BMW M6 Cabrio
552 hp
562 hp
Rolls-Royce Ghost 6.6 V12
502 lb‑ft
at 1500 rpm
Max. Torque
575 lb‑ft
at 1400 rpm
BMW M6 Cabrio
502 lb‑ft
575 lb‑ft
Rolls-Royce Ghost 6.6 V12

Performance

BMW M6 Cabrio
Rolls-Royce Ghost 6.6 V12
155 mph
Maximum Speed
155 mph
4.3 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

197 ft
0.000 sec

BMW M6 Cabrio

62 mph 62
mph

223 ft
0.000 sec

Rolls-Royce Ghost 6.6 V12

▶ REPLAY
8.21 lb/hp
Weight-to-Power Ratio
10.04 lb/hp
BMW M6 Cabrio
8.21 lb/hp
10.04 lb/hp
Rolls-Royce Ghost 6.6 V12

Fuel Economy / Emissions

BMW M6 Cabrio
Rolls-Royce Ghost 6.6 V12
Fuel Economy
23 mpg
combined
16 mpg
BMW M6 Cabrio
23 mpg
16 mpg
Rolls-Royce Ghost 6.6 V12
17 mpg
city
11 mpg
No data
highway
24 mpg
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
21.9 gal
Kraftstoffanzeige
483 mi
Range
358 mi
BMW M6 Cabrio
483 mi
358 mi
Rolls-Royce Ghost 6.6 V12
Environmental Impact
195.2 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).
272.8 kWh
BMW M6 Cabrio
195.2 kWh
272.8 kWh
Rolls-Royce Ghost 6.6 V12
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
385 g/mi (NEFZ)
CO2 Emissions
531 g/mi (NEFZ)

Practical Convenience

BMW M6 Cabrio
Rolls-Royce Ghost 6.6 V12
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
551 lb
9.9 cu ft
Trunk Volume
9.1 cu ft
No data
Cargo Volume (Seats Down)
No data