The Comparative Analysis :
Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..) vs. Porsche 911 Carrera Convertible 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 31.3 inches longer, 3.7 inches wider and 8 inches taller than the Porsche 911 Carrera Convertible 4.
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible 4
59.1
76.7
84.5
51.2
72.9
77.9
76.7 in
Width
72.9 in
84.5 in
Width Incl. Mirrors
77.9 in
59.1 in
Height
51.2 in
122.5
208.1
96.5
176.8
208.1 in
Length
176.8 in
122.5 in
Wheelbase
96.5 in
Vehicle Weight
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible 4
5644 lb
Curb Weight
3516 lb
6195 lb
Gross Vehicle
Weight
Weight
4233 lb
Weight Difference:
2127 lb
37.69 %
General
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible 4
RR6
Generation
991
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible 4
V12 gasoline engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
4
Valves
4
12
Cylinders
6
6.6 L / 323 cu in
Displacement
3.4 L / 166 cu in
593 hp
at 5250 rpm
Power
345 hp
at 7400 rpm
Rolls-Royce Ghost 6.6 V12
593 hp
345 hp
Porsche 911 Carrera Convertible 4
620 lb‑ft
at 1650 rpm
Max. Torque
288 lb‑ft
at 5600 rpm
Rolls-Royce Ghost 6.6 V12
620 lb‑ft
288 lb‑ft
Porsche 911 Carrera Convertible 4
Performance
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible 4
155 mph
Maximum Speed
174 mph
4.9 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
223 ft
0.000 sec
Rolls-Royce Ghost 6.6 V12
62 mph
62
mph
mph
223 ft
0.000 sec
Porsche 911 Carrera Convertible 4
▶ REPLAY
9.52 lb/hp
Weight-to-Power Ratio
10.19 lb/hp
Rolls-Royce Ghost 6.6 V12
9.52 lb/hp
10.19 lb/hp
Porsche 911 Carrera Convertible 4
Fuel Economy / Emissions
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible 4
Fuel Economy
16 mpg
combined
27 mpg
Rolls-Royce Ghost 6.6 V12
16 mpg
27 mpg
Porsche 911 Carrera Convertible 4
10 mpg
city
20 mpg
23 mpg
highway
34 mpg
21.9 gal
Fuel Tank Capacity
18 gal
351 mi
Range
486 mi
Rolls-Royce Ghost 6.6 V12
351 mi
486 mi
Porsche 911 Carrera Convertible 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 Convertible 4
Euro 6
Emission Standard
Euro 5 / Euro 6
542 g/mi (NEFZ)
CO2 Emissions
330 g/mi (NEFZ)
Practical Convenience
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible 4
2
Doors
2
4
No. of Seats
4
551 lb
Maximum Payload
717 lb
9.1 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data
