The Comparative Analysis :
BMW M6 Cabrio SMG (06 - 10) vs. Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10)
€ 123,200

€ 450,700

€ 123,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 450,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW M6 Cabrio is substantially smaller in every dimension. It's 73.8 cm shorter, 13.2 cm narrower and 20.4 cm lower than the Rolls-Royce Phantom Drophead Coupé 6.8 V12.
BMW M6 Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
1377
1855
2036
1581
1987
2187
1855 mm
Width
1987 mm
2036 mm
Width Incl. Mirrors
2187 mm
1377 mm
Height
1581 mm
2781
4871
3320
5609
4871 mm
Length
5609 mm
2781 mm
Wheelbase
3320 mm
Vehicle Weight
BMW M6 Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
2005 kg
Kerb Weight
2620 kg
2380 kg
Gross Vehicle
Weight
Weight
3050 kg

Weight Difference:
615 kg
23.47 %

General
BMW M6 Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
E64
Generation
RR2
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Rear-wheel drive

7-speed automated manual transmission (AMT)
Transmission
6-speed automatic transmission
Engine
BMW M6 Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
V10 petrol engine (naturally aspirated engine)
Engine Type
V12 petrol engine (naturally aspirated engine)
BMW S85
Engine Series
S85-B50
Engine Code
4
Valves
4
10
Cylinders
12
4999 CC
Engine Capacity
6749 CC
500 bhp
at 7750 rpm
Power
454 bhp
at 5350 rpm
BMW M6 Cabrio
500 bhp
454 bhp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
520 NM
at 6100 rpm
Max. Torque
720 NM
at 3500 rpm
BMW M6 Cabrio
520 NM
720 NM
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Performance
BMW M6 Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
155 mph
Maximum Speed
149 mph
4.8 sec
Acceleration 0 to 62 mph
5.8 sec
62 mph
62
mph
mph
67 m
0.000 sec

BMW M6 Cabrio
62 mph
62
mph
mph
81 m
0.000 sec

Rolls-Royce Phantom Drophead Coupé 6.8 V12
▶ REPLAY
4.01 kg/bhp
Weight-to-Power Ratio
5.77 kg/bhp
BMW M6 Cabrio
4.01 kg/bhp
5.77 kg/bhp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Fuel Economy / Emissions
BMW M6 Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Fuel Economy
19 mpg
combined
18 mpg
BMW M6 Cabrio
19 mpg
18 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
13 mpg
city
11 mpg
No data
motorway
26 mpg
70 L
Fuel Tank Capacity
80 L
296 mi
Range
313 mi
BMW M6 Cabrio
296 mi
313 mi
Rolls-Royce Phantom Drophead Coupé 6.8 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).
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).
301.3 kWh
BMW M6 Cabrio
278.4 kWh
301.3 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Euro 4
Emission Standard
Euro 4 III
352 g/km (NEFZ)
CO2 Emissions
385 g/km (NEFZ)
Practical Convenience
BMW M6 Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
2
Doors
2
4
No. of Seats
4
375 kg
Maximum Payload
430 kg
350 L
Boot Capacity
315 L







No data
Boot Capacity (Seats Down)
No data