The Comparative Analysis :

BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..) vs. Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..)

€ 176,000
BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..) BMW M8 Competition Cabrio
€ 381,900
Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..) Rolls-Royce Ghost 6.6 V12
€ 176,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 381,900

Base price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW M8 Competition Cabrio is significantly smaller in every dimension. It's 16.5 inches shorter, 1.6 inches narrower and 5.9 inches lower than the Rolls-Royce Ghost 6.6 V12.
BMW M8 Competition Cabrio
Rolls-Royce Ghost 6.6 V12
53.3
Blueprint BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..)
75.1
84.1
59.1
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..)
76.7
84.5
75.1 in
Width
76.7 in
84.1 in
Width Incl. Mirrors
84.5 in
53.3 in
Height
59.1 in
Blueprint BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..)
111.3
191.6
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..)
122.5
208.1
191.6 in
Length
208.1 in
111.3 in
Wheelbase
122.5 in

Vehicle Weight

BMW M8 Competition Cabrio
Rolls-Royce Ghost 6.6 V12
4597 lb
Curb Weight
5644 lb
5379 lb
Gross Vehicle
Weight
6195 lb
BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..)
Weight Difference:
1047 lb
18.55 %
Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..)

General

BMW M8 Competition Cabrio
Rolls-Royce Ghost 6.6 V12
G14
Generation
RR6
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

BMW M8 Competition Cabrio
Rolls-Royce Ghost 6.6 V12
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
V12 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW S63
Engine Series
S63-B44
Engine Code
4
Valves
4
8
Cylinders
12
4.4 L / 215 cu in
Displacement
6.6 L / 323 cu in
616 hp
at 6000 rpm
Power
593 hp
at 5250 rpm
BMW M8 Competition Cabrio
616 hp
593 hp
Rolls-Royce Ghost 6.6 V12
553 lb‑ft
at 1800 rpm
Max. Torque
620 lb‑ft
at 1650 rpm
BMW M8 Competition Cabrio
553 lb‑ft
620 lb‑ft
Rolls-Royce Ghost 6.6 V12

Performance

BMW M8 Competition Cabrio
Rolls-Royce Ghost 6.6 V12
155 mph
Maximum Speed
155 mph
3.3 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

151 ft
0.000 sec

BMW M8 Competition Cabrio

62 mph 62
mph

223 ft
0.000 sec

Rolls-Royce Ghost 6.6 V12

 REPLAY
7.46 lb/hp
Weight-to-Power Ratio
9.52 lb/hp
BMW M8 Competition Cabrio
7.46 lb/hp
9.52 lb/hp
Rolls-Royce Ghost 6.6 V12

Fuel Economy / Emissions

BMW M8 Competition Cabrio
Rolls-Royce Ghost 6.6 V12
Fuel Economy
22 mpg
combined
16 mpg
BMW M8 Competition Cabrio
22 mpg
16 mpg
Rolls-Royce Ghost 6.6 V12
No data
city
10 mpg
No data
highway
23 mpg
Kraftstoffanzeige
18 gal
Fuel Tank Capacity
21.9 gal
Kraftstoffanzeige
391 mi
Range
351 mi
BMW M8 Competition Cabrio
391 mi
351 mi
Rolls-Royce Ghost 6.6 V12
Environmental Impact
204.5 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
BMW M8 Competition Cabrio
204.5 kWh
278.4 kWh
Rolls-Royce Ghost 6.6 V12
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6
410 g/mi (WLTP)
CO2 Emissions
542 g/mi (NEFZ)

Practical Convenience

BMW M8 Competition Cabrio
Rolls-Royce Ghost 6.6 V12
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
551 lb
9.9 cu ft
Trunk Volume
9.1 cu ft
No data
Cargo Volume (Seats Down)
No data