The Comparative Analysis :

BMW M6 Convertible SMG (06 - 10) vs. Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..)

€ 123,200
BMW M6 Convertible SMG (06 - 10) BMW M6 Cabrio
€ 333,200
 Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..) Rolls-Royce Ghost 6.6 V12
€ 123,200
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 16.3 inches shorter, 3.6 inches narrower and 4.9 inches lower than the Rolls-Royce Ghost 6.6 V12.
BMW M6 Cabrio
Rolls-Royce Ghost 6.6 V12
54.2
Blueprint BMW M6 Convertible SMG (06 - 10)
73
80.2
59.1
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..)
76.7
84.5
73 in
Width
76.7 in
80.2 in
Width Incl. Mirrors
84.5 in
54.2 in
Height
59.1 in
Blueprint BMW M6 Convertible SMG (06 - 10)
109.5
191.8
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..)
122.5
208.1
191.8 in
Length
208.1 in
109.5 in
Wheelbase
122.5 in

Vehicle Weight

BMW M6 Cabrio
Rolls-Royce Ghost 6.6 V12
4420 lb
Curb Weight
5644 lb
5247 lb
Gross Vehicle
Weight
6195 lb
BMW M6 Convertible SMG (06 - 10)
Weight Difference:
1224 lb
21.69 %
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..)

General

BMW M6 Cabrio
Rolls-Royce Ghost 6.6 V12
E64
Generation
RR6
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed automated manual transmission (AMT)
Transmission
8-speed automatic transmission

Engine

BMW M6 Cabrio
Rolls-Royce Ghost 6.6 V12
V10 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
V12 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW S85
Engine Series
S85-B50
Engine Code
4
Valves
4
10
Cylinders
12
5 L / 245 cu in
Displacement
6.6 L / 323 cu in
500 hp
at 7750 rpm
Power
562 hp
at 5250 rpm
BMW M6 Cabrio
500 hp
562 hp
Rolls-Royce Ghost 6.6 V12
384 lb‑ft
at 6100 rpm
Max. Torque
605 lb‑ft
at 1500 rpm
BMW M6 Cabrio
384 lb‑ft
605 lb‑ft
Rolls-Royce Ghost 6.6 V12

Performance

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

220 ft
0.000 sec

BMW M6 Cabrio

62 mph 62
mph

226 ft
0.000 sec

Rolls-Royce Ghost 6.6 V12

▶ REPLAY
8.84 lb/hp
Weight-to-Power Ratio
10.04 lb/hp
BMW M6 Cabrio
8.84 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
16 mpg
combined
15 mpg
BMW M6 Cabrio
16 mpg
15 mpg
Rolls-Royce Ghost 6.6 V12
11 mpg
city
10 mpg
No data
highway
19 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
21.9 gal
Kraftstoffanzeige
296 mi
Range
321 mi
BMW M6 Cabrio
296 mi
321 mi
Rolls-Royce Ghost 6.6 V12
Environmental Impact
278.4 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).
305 kWh
BMW M6 Cabrio
278.4 kWh
305 kWh
Rolls-Royce Ghost 6.6 V12
Euro 4
Emission Standard
Euro 6d-TEMP
566 g/mi (NEFZ)
CO2 Emissions
591 g/mi (NEFZ)

Practical Convenience

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