The Comparative Analysis :
Porsche 911 Carrera Convertible 4 (08 - 12) vs. Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)
€ 103,600
€ 333,200
€ 103,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 333,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Carrera Convertible 4 is substantially smaller in every dimension. It's 33.5 inches shorter, 3.7 inches narrower and 7.6 inches lower than the Rolls-Royce Ghost 6.6 V12.
Porsche 911 Carrera Convertible 4
Rolls-Royce Ghost 6.6 V12
51.6
72.9
80.8
59.1
76.7
84.5
72.9 in
Width
76.7 in
80.8 in
Width Incl. Mirrors
84.5 in
51.6 in
Height
59.1 in
92.5
174.6
122.5
208.1
174.6 in
Length
208.1 in
92.5 in
Wheelbase
122.5 in
Vehicle Weight
Porsche 911 Carrera Convertible 4
Rolls-Royce Ghost 6.6 V12
3594 lb
Curb Weight
5644 lb
4255 lb
Gross Vehicle
Weight
Weight
6195 lb
Weight Difference:
2050 lb
36.32 %
General
Porsche 911 Carrera Convertible 4
Rolls-Royce Ghost 6.6 V12
997
Generation
RR6
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 Carrera Convertible 4
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
3.6 L / 176 cu in
Displacement
6.6 L / 323 cu in
340 hp
at 6500 rpm
Power
562 hp
at 5600 rpm
Porsche 911 Carrera Convertible 4
340 hp
562 hp
Rolls-Royce Ghost 6.6 V12
288 lb‑ft
at 4400 rpm
Max. Torque
575 lb‑ft
at 1400 rpm
Porsche 911 Carrera Convertible 4
288 lb‑ft
575 lb‑ft
Rolls-Royce Ghost 6.6 V12
Performance
Porsche 911 Carrera Convertible 4
Rolls-Royce Ghost 6.6 V12
176 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
236 ft
0.000 sec
Porsche 911 Carrera Convertible 4
62 mph
62
mph
mph
223 ft
0.000 sec
Rolls-Royce Ghost 6.6 V12
▶ REPLAY
10.57 lb/hp
Weight-to-Power Ratio
10.04 lb/hp
Porsche 911 Carrera Convertible 4
10.57 lb/hp
10.04 lb/hp
Rolls-Royce Ghost 6.6 V12
Fuel Economy / Emissions
Porsche 911 Carrera Convertible 4
Rolls-Royce Ghost 6.6 V12
Fuel Economy
22 mpg
combined
16 mpg
Porsche 911 Carrera Convertible 4
22 mpg
16 mpg
Rolls-Royce Ghost 6.6 V12
15 mpg
city
11 mpg
31 mpg
highway
24 mpg
17.7 gal
Fuel Tank Capacity
21.9 gal
385 mi
Range
358 mi
Porsche 911 Carrera Convertible 4
385 mi
358 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).
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).
272.8 kWh
Porsche 911 Carrera Convertible 4
204.5 kWh
272.8 kWh
Rolls-Royce Ghost 6.6 V12
Euro 5
Emission Standard
Euro 6b (NEFZ)
409 g/mi (NEFZ)
CO2 Emissions
531 g/mi (NEFZ)
Practical Convenience
Porsche 911 Carrera Convertible 4
Rolls-Royce Ghost 6.6 V12
2
Doors
2
4
No. of Seats
4
661 lb
Maximum Payload
551 lb
3 cu ft
Trunk Volume
9.1 cu ft
No data
Cargo Volume (Seats Down)
No data
