The Comparative Analysis :
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10) vs. BMW M8 Competition Convertible 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 29.2 inches longer, 3.1 inches wider and 9 inches taller than the BMW M8 Competition Cabrio.
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M8 Competition Cabrio
62.2
78.2
86.1
53.3
75.1
84.1
78.2 in
Width
75.1 in
86.1 in
Width Incl. Mirrors
84.1 in
62.2 in
Height
53.3 in
130.7
220.8
111.3
191.6
220.8 in
Length
191.6 in
130.7 in
Wheelbase
111.3 in
Vehicle Weight
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M8 Competition Cabrio
5776 lb
Curb Weight
4597 lb
6724 lb
Gross Vehicle
Weight
Weight
5379 lb
Weight Difference:
1179 lb
20.41 %
General
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M8 Competition Cabrio
RR2
Generation
G14
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M8 Competition Cabrio
V12 gasoline engine (naturally aspirated engine)
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
Engine Series
BMW S63
Engine Code
S63-B44
4
Valves
4
12
Cylinders
8
6.7 L / 328 cu in
Displacement
4.4 L / 215 cu in
454 hp
at 5350 rpm
Power
616 hp
at 6000 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
454 hp
616 hp
BMW M8 Competition Cabrio
531 lb‑ft
at 3500 rpm
Max. Torque
553 lb‑ft
at 1800 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
531 lb‑ft
553 lb‑ft
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
266 ft
0.000 sec
Rolls-Royce Phantom Drophead Coupé 6.8 V12
62 mph
62
mph
mph
151 ft
0.000 sec
BMW M8 Competition Cabrio
▶ REPLAY
12.72 lb/hp
Weight-to-Power Ratio
7.46 lb/hp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
12.72 lb/hp
7.46 lb/hp
BMW M8 Competition Cabrio
Fuel Economy / Emissions
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M8 Competition Cabrio
Fuel Economy
15 mpg
combined
22 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
15 mpg
22 mpg
BMW M8 Competition Cabrio
10 mpg
city
No data
21 mpg
highway
No data
21.1 gal
Fuel Tank Capacity
18 gal
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)
620 g/mi (NEFZ)
CO2 Emissions
410 g/mi (WLTP)
Practical Convenience
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M8 Competition Cabrio
2
Doors
2
4
No. of Seats
4
948 lb
Maximum Payload
783 lb
8.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
