The Comparative Analysis :
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10) vs. BMW M8 Competition Cabrio xDrive Steptronic Sport (19 - ..)
€ 450,700
€ 176,000
€ 450,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 176,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Rolls-Royce Phantom Drophead Coupé 6.8 V12 is substantially bigger in every dimension. It's 74.2 cm longer, 8 cm wider and 22.8 cm taller than the BMW M8 Competition Cabrio.
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M8 Competition Cabrio
1581
1987
2187
1353
1907
2137
1987 mm
Width
1907 mm
2187 mm
Width Incl. Mirrors
2137 mm
1581 mm
Height
1353 mm
3320
5609
2827
4867
5609 mm
Length
4867 mm
3320 mm
Wheelbase
2827 mm
Vehicle Weight
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M8 Competition Cabrio
2620 kg
Kerb Weight
2085 kg
3050 kg
Gross Vehicle
Weight
Weight
2440 kg
Weight Difference:
535 kg
20.42 %
General
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M8 Competition Cabrio
RR2
Generation
G14
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Permanent all-wheel drive
6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M8 Competition Cabrio
V12 petrol engine (naturally aspirated engine)
Engine Type
V8 petrol engine with two turbochargers (biturbo)
Engine Series
BMW S63
Engine Code
S63-B44
4
Valves
4
12
Cylinders
8
6749 CC
Engine Capacity
4395 CC
454 bhp
at 5350 rpm
Power
616 bhp
at 6000 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
454 bhp
616 bhp
BMW M8 Competition Cabrio
720 NM
at 3500 rpm
Max. Torque
750 NM
at 1800 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
720 NM
750 NM
BMW M8 Competition Cabrio
Performance
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M8 Competition Cabrio
149 mph
Maximum Speed
155 mph
5.8 sec
Acceleration 0 to 62 mph
3.3 sec
62 mph
62
mph
mph
81 m
0.000 sec
Rolls-Royce Phantom Drophead Coupé 6.8 V12
62 mph
62
mph
mph
46 m
0.000 sec
BMW M8 Competition Cabrio
▶ REPLAY
5.77 kg/bhp
Weight-to-Power Ratio
3.38 kg/bhp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
5.77 kg/bhp
3.38 kg/bhp
BMW M8 Competition Cabrio
Fuel Economy / Emissions
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M8 Competition Cabrio
Fuel Economy
18 mpg
combined
26 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
18 mpg
26 mpg
BMW M8 Competition Cabrio
11 mpg
city
No data
26 mpg
motorway
No data
80 L
Fuel Tank Capacity
68 L
313 mi
Range
391 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
313 mi
391 mi
BMW M8 Competition Cabrio
Environmental Impact
301.3 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).
204.5 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
301.3 kWh
204.5 kWh
BMW M8 Competition Cabrio
Euro 4 III
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
385 g/km (NEFZ)
CO2 Emissions
255 g/km (WLTP)
Practical Convenience
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M8 Competition Cabrio
2
Doors
2
4
No. of Seats
4
430 kg
Maximum Payload
355 kg
315 L
Boot Capacity
350 L
No data
Boot Capacity (Seats Down)
No data
