The Comparative Analysis :
Porsche 911 Carrera Convertible (12 - 15) vs. Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..)
€ 103,200
€ 381,900
€ 103,200
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 Porsche 911 Carrera Convertible is substantially smaller in every dimension. It's 31.3 inches shorter, 5.5 inches narrower and 8 inches lower than the Rolls-Royce Ghost 6.6 V12.
Porsche 911 Carrera Convertible
Rolls-Royce Ghost 6.6 V12
51.1
71.2
77.9
59.1
76.7
84.5
71.2 in
Width
76.7 in
77.9 in
Width Incl. Mirrors
84.5 in
51.1 in
Height
59.1 in
96.5
176.8
122.5
208.1
176.8 in
Length
208.1 in
96.5 in
Wheelbase
122.5 in
Vehicle Weight
Porsche 911 Carrera Convertible
Rolls-Royce Ghost 6.6 V12
3362 lb
Curb Weight
5644 lb
4079 lb
Gross Vehicle
Weight
Weight
6195 lb
Weight Difference:
2282 lb
40.43 %
General
Porsche 911 Carrera Convertible
Rolls-Royce Ghost 6.6 V12
991
Generation
RR6
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed manual transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 Carrera Convertible
Rolls-Royce Ghost 6.6 V12
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
V12 gasoline engine with two turbochargers (biturbo)
4
Valves
4
6
Cylinders
12
3.4 L / 166 cu in
Displacement
6.6 L / 323 cu in
345 hp
at 7400 rpm
Power
593 hp
at 5250 rpm
Porsche 911 Carrera Convertible
345 hp
593 hp
Rolls-Royce Ghost 6.6 V12
288 lb‑ft
at 5600 rpm
Max. Torque
620 lb‑ft
at 1650 rpm
Porsche 911 Carrera Convertible
288 lb‑ft
620 lb‑ft
Rolls-Royce Ghost 6.6 V12
Performance
Porsche 911 Carrera Convertible
Rolls-Royce Ghost 6.6 V12
178 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
226 ft
0.000 sec
Porsche 911 Carrera Convertible
62 mph
62
mph
mph
223 ft
0.000 sec
Rolls-Royce Ghost 6.6 V12
▶ REPLAY
9.74 lb/hp
Weight-to-Power Ratio
9.52 lb/hp
Porsche 911 Carrera Convertible
9.74 lb/hp
9.52 lb/hp
Rolls-Royce Ghost 6.6 V12
Fuel Economy / Emissions
Porsche 911 Carrera Convertible
Rolls-Royce Ghost 6.6 V12
Fuel Economy
26 mpg
combined
16 mpg
Porsche 911 Carrera Convertible
26 mpg
16 mpg
Rolls-Royce Ghost 6.6 V12
18 mpg
city
10 mpg
34 mpg
highway
23 mpg
16.9 gal
Fuel Tank Capacity
21.9 gal
432 mi
Range
351 mi
Porsche 911 Carrera Convertible
432 mi
351 mi
Rolls-Royce Ghost 6.6 V12
Environmental Impact
174.3 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).
278.4 kWh
Porsche 911 Carrera Convertible
174.3 kWh
278.4 kWh
Rolls-Royce Ghost 6.6 V12
Euro 5 / Euro 6
Emission Standard
Euro 6
349 g/mi (NEFZ)
CO2 Emissions
542 g/mi (NEFZ)
Practical Convenience
Porsche 911 Carrera Convertible
Rolls-Royce Ghost 6.6 V12
2
Doors
2
4
No. of Seats
4
717 lb
Maximum Payload
551 lb
4.1 cu ft
Trunk Volume
9.1 cu ft
No data
Cargo Volume (Seats Down)
No data
