The Comparative Analysis :
Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..) vs. Porsche 911 Turbo Cabriolet PDK (13 - 15)
€ 381,900

€ 177,900

€ 381,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 177,900
ⓘ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 substantially bigger in every dimension. It's 77.9 cm longer, 6.7 cm wider and 21 cm taller than the Porsche 911 Turbo Cabriolet.
Rolls-Royce Ghost 6.6 V12
Porsche 911 Turbo Cabriolet
1502
1947
2147
1292
1880
1978
1947 mm
Width
1880 mm
2147 mm
Width Incl. Mirrors
1978 mm
1502 mm
Height
1292 mm
3112
5285
2450
4506
5285 mm
Length
4506 mm
3112 mm
Wheelbase
2450 mm
Vehicle Weight
Rolls-Royce Ghost 6.6 V12
Porsche 911 Turbo Cabriolet
2560 kg
Kerb Weight
1740 kg
2810 kg
Gross Vehicle
Weight
Weight
2045 kg

Weight Difference:
820 kg
32.03 %

General
Rolls-Royce Ghost 6.6 V12
Porsche 911 Turbo Cabriolet
RR6
Generation
991
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Rolls-Royce Ghost 6.6 V12
Porsche 911 Turbo Cabriolet
V12 petrol engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer petrol engine with two turbochargers (biturbo)
4
Valves
4
12
Cylinders
6
6592 CC
Engine Capacity
3800 CC
593 bhp
at 5250 rpm
Power
513 bhp
at 6000 rpm
Rolls-Royce Ghost 6.6 V12
593 bhp
513 bhp
Porsche 911 Turbo Cabriolet
840 NM
at 1650 rpm
Max. Torque
660 NM
at 5600 rpm
Rolls-Royce Ghost 6.6 V12
840 NM
660 NM
Porsche 911 Turbo Cabriolet
Performance
Rolls-Royce Ghost 6.6 V12
Porsche 911 Turbo Cabriolet
155 mph
Maximum Speed
196 mph
4.9 sec
Acceleration 0 to 62 mph
3.5 sec
62 mph
62
mph
mph
68 m
0.000 sec

Rolls-Royce Ghost 6.6 V12
62 mph
62
mph
mph
49 m
0.000 sec

Porsche 911 Turbo Cabriolet
▶ REPLAY
4.32 kg/bhp
Weight-to-Power Ratio
3.39 kg/bhp
Rolls-Royce Ghost 6.6 V12
4.32 kg/bhp
3.39 kg/bhp
Porsche 911 Turbo Cabriolet
Fuel Economy / Emissions
Rolls-Royce Ghost 6.6 V12
Porsche 911 Turbo Cabriolet
Fuel Economy
19 mpg
combined
29 mpg
Rolls-Royce Ghost 6.6 V12
19 mpg
29 mpg
Porsche 911 Turbo Cabriolet
12 mpg
city
21 mpg
28 mpg
motorway
36 mpg
83 L
Fuel Tank Capacity
68 L
351 mi
Range
427 mi
Rolls-Royce Ghost 6.6 V12
351 mi
427 mi
Porsche 911 Turbo Cabriolet
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).
187.5 kWh
Rolls-Royce Ghost 6.6 V12
278.4 kWh
187.5 kWh
Porsche 911 Turbo Cabriolet
Euro 6
Emission Standard
Euro 6b (NEFZ)
337 g/km (NEFZ)
CO2 Emissions
231 g/km (NEFZ)
Practical Convenience
Rolls-Royce Ghost 6.6 V12
Porsche 911 Turbo Cabriolet
2
Doors
2
4
No. of Seats
4
250 kg
Maximum Payload
305 kg
321 L
Boot Capacity
115 L






No data
Boot Capacity (Seats Down)
No data