The Comparative Analysis :

Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..) vs. BMW M6 Convertible SMG (06 - 10)

€ 381,900
Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..) Rolls-Royce Ghost 6.6 V12
€ 123,200
 BMW M6 Convertible SMG (06 - 10) BMW M6 Cabrio
€ 381,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 123,200

ⓘ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 16.3 inches longer, 3.6 inches wider and 4.9 inches taller than the BMW M6 Cabrio.
Rolls-Royce Ghost 6.6 V12
BMW M6 Cabrio
59.1
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..)
76.7
84.5
54.2
Blueprint BMW M6 Convertible SMG (06 - 10)
73
80.2
76.7 in
Width
73 in
84.5 in
Width Incl. Mirrors
80.2 in
59.1 in
Height
54.2 in
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..)
122.5
208.1
Blueprint BMW M6 Convertible SMG (06 - 10)
109.5
191.8
208.1 in
Length
191.8 in
122.5 in
Wheelbase
109.5 in

Vehicle Weight

Rolls-Royce Ghost 6.6 V12
BMW M6 Cabrio
5644 lb
Curb Weight
4420 lb
6195 lb
Gross Vehicle
Weight
5247 lb
Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..)
Weight Difference:
1224 lb
21.69 %
BMW M6 Convertible SMG (06 - 10)

General

Rolls-Royce Ghost 6.6 V12
BMW M6 Cabrio
RR6
Generation
E64
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 automated manual transmission (AMT)

Engine

Rolls-Royce Ghost 6.6 V12
BMW M6 Cabrio
V12 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
V10 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Series
BMW S85
Engine Code
S85-B50
4
Valves
4
12
Cylinders
10
6.6 L / 323 cu in
Displacement
5 L / 245 cu in
593 hp
at 5250 rpm
Power
500 hp
at 7750 rpm
Rolls-Royce Ghost 6.6 V12
593 hp
500 hp
BMW M6 Cabrio
620 lb‑ft
at 1650 rpm
Max. Torque
384 lb‑ft
at 6100 rpm
Rolls-Royce Ghost 6.6 V12
620 lb‑ft
384 lb‑ft
BMW M6 Cabrio

Performance

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

223 ft
0.000 sec

Rolls-Royce Ghost 6.6 V12

62 mph 62
mph

220 ft
0.000 sec

BMW M6 Cabrio

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

Fuel Economy / Emissions

Rolls-Royce Ghost 6.6 V12
BMW M6 Cabrio
Fuel Economy
16 mpg
combined
16 mpg
Rolls-Royce Ghost 6.6 V12
16 mpg
16 mpg
BMW M6 Cabrio
10 mpg
city
11 mpg
23 mpg
highway
No data
Kraftstoffanzeige
21.9 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
351 mi
Range
296 mi
Rolls-Royce Ghost 6.6 V12
351 mi
296 mi
BMW M6 Cabrio
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).
278.4 kWh
Rolls-Royce Ghost 6.6 V12
278.4 kWh
278.4 kWh
BMW M6 Cabrio
Euro 6
Emission Standard
Euro 4
542 g/mi (NEFZ)
CO2 Emissions
566 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
827 lb
9.1 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data