The Comparative Analysis :
Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..) vs. Porsche 911 Carrera Cabriolet 4 PDK (12 - 15)
€ 381,900

€ 113,800

€ 381,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 113,800
ⓘ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 79.4 cm longer, 9.5 cm wider and 20.2 cm taller than the Porsche 911 Carrera Cabriolet 4.
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Cabriolet 4
1502
1947
2147
1300
1852
1978
1947 mm
Width
1852 mm
2147 mm
Width Incl. Mirrors
1978 mm
1502 mm
Height
1300 mm
3112
5285
2450
4491
5285 mm
Length
4491 mm
3112 mm
Wheelbase
2450 mm
Vehicle Weight
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Cabriolet 4
2560 kg
Kerb Weight
1595 kg
2810 kg
Gross Vehicle
Weight
Weight
1920 kg

Weight Difference:
965 kg
37.7 %

General
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Cabriolet 4
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 Carrera Cabriolet 4
V12 petrol engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer petrol engine (naturally aspirated engine)
4
Valves
4
12
Cylinders
6
6592 CC
Engine Capacity
3436 CC
593 bhp
at 5250 rpm
Power
345 bhp
at 7400 rpm
Rolls-Royce Ghost 6.6 V12
593 bhp
345 bhp
Porsche 911 Carrera Cabriolet 4
840 NM
at 1650 rpm
Max. Torque
390 NM
at 5600 rpm
Rolls-Royce Ghost 6.6 V12
840 NM
390 NM
Porsche 911 Carrera Cabriolet 4
Performance
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Cabriolet 4
155 mph
Maximum Speed
174 mph
4.9 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
68 m
0.000 sec

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

Porsche 911 Carrera Cabriolet 4
▶ REPLAY
4.32 kg/bhp
Weight-to-Power Ratio
4.62 kg/bhp
Rolls-Royce Ghost 6.6 V12
4.32 kg/bhp
4.62 kg/bhp
Porsche 911 Carrera Cabriolet 4
Fuel Economy / Emissions
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Cabriolet 4
Fuel Economy
19 mpg
combined
32 mpg
Rolls-Royce Ghost 6.6 V12
19 mpg
32 mpg
Porsche 911 Carrera Cabriolet 4
12 mpg
city
24 mpg
28 mpg
motorway
41 mpg
83 L
Fuel Tank Capacity
68 L
351 mi
Range
486 mi
Rolls-Royce Ghost 6.6 V12
351 mi
486 mi
Porsche 911 Carrera Cabriolet 4
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).
164.8 kWh
Rolls-Royce Ghost 6.6 V12
278.4 kWh
164.8 kWh
Porsche 911 Carrera Cabriolet 4
Euro 6
Emission Standard
Euro 5 / Euro 6
337 g/km (NEFZ)
CO2 Emissions
205 g/km (NEFZ)
Practical Convenience
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Cabriolet 4
2
Doors
2
4
No. of Seats
4
250 kg
Maximum Payload
325 kg
321 L
Boot Capacity
125 L




No data
Boot Capacity (Seats Down)
No data