The Comparative Analysis :
Porsche 911 Carrera Convertible 4S PDK (17 - 18) vs. Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)
€ 146,200
€ 333,200
€ 146,200
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 4S is substantially smaller in every dimension. It's 30.9 inches shorter, 3.7 inches narrower and 8.3 inches lower than the Rolls-Royce Ghost 6.6 V12.
Porsche 911 Carrera Convertible 4S
Rolls-Royce Ghost 6.6 V12
50.9
72.9
77.9
59.1
76.7
84.5
72.9 in
Width
76.7 in
77.9 in
Width Incl. Mirrors
84.5 in
50.9 in
Height
59.1 in
96.5
177.1
122.5
208.1
177.1 in
Length
208.1 in
96.5 in
Wheelbase
122.5 in
Vehicle Weight
Porsche 911 Carrera Convertible 4S
Rolls-Royce Ghost 6.6 V12
3649 lb
Curb Weight
5644 lb
4442 lb
Gross Vehicle
Weight
Weight
6195 lb
Weight Difference:
1995 lb
35.35 %
General
Porsche 911 Carrera Convertible 4S
Rolls-Royce Ghost 6.6 V12
991
Generation
RR6
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 Carrera Convertible 4S
Rolls-Royce Ghost 6.6 V12
6-cylinder boxer gasoline engine with two turbochargers (biturbo)
Engine Type
V12 gasoline engine with two turbochargers (biturbo)
4
Valves
4
6
Cylinders
12
3 L / 147 cu in
Displacement
6.6 L / 323 cu in
444 hp
at 6500 rpm
Power
562 hp
at 5600 rpm
Porsche 911 Carrera Convertible 4S
444 hp
562 hp
Rolls-Royce Ghost 6.6 V12
406 lb‑ft
at 2150 rpm
Max. Torque
575 lb‑ft
at 1400 rpm
Porsche 911 Carrera Convertible 4S
406 lb‑ft
575 lb‑ft
Rolls-Royce Ghost 6.6 V12
Performance
Porsche 911 Carrera Convertible 4S
Rolls-Royce Ghost 6.6 V12
190 mph
Maximum Speed
155 mph
3.7 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
167 ft
0.000 sec
Porsche 911 Carrera Convertible 4S
62 mph
62
mph
mph
223 ft
0.000 sec
Rolls-Royce Ghost 6.6 V12
▶ REPLAY
8.22 lb/hp
Weight-to-Power Ratio
10.04 lb/hp
Porsche 911 Carrera Convertible 4S
8.22 lb/hp
10.04 lb/hp
Rolls-Royce Ghost 6.6 V12
Fuel Economy / Emissions
Porsche 911 Carrera Convertible 4S
Rolls-Royce Ghost 6.6 V12
Fuel Economy
27 mpg
combined
16 mpg
Porsche 911 Carrera Convertible 4S
27 mpg
16 mpg
Rolls-Royce Ghost 6.6 V12
21 mpg
city
11 mpg
32 mpg
highway
24 mpg
18 gal
Fuel Tank Capacity
21.9 gal
486 mi
Range
358 mi
Porsche 911 Carrera Convertible 4S
486 mi
358 mi
Rolls-Royce Ghost 6.6 V12
Environmental Impact
164.8 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 4S
164.8 kWh
272.8 kWh
Rolls-Royce Ghost 6.6 V12
Euro 6c (NEFZ) 36ZA-ZF
Emission Standard
Euro 6b (NEFZ)
315 g/mi (NEFZ)
CO2 Emissions
531 g/mi (NEFZ)
Practical Convenience
Porsche 911 Carrera Convertible 4S
Rolls-Royce Ghost 6.6 V12
2
Doors
2
4
No. of Seats
4
794 lb
Maximum Payload
551 lb
3.5 cu ft
Trunk Volume
9.1 cu ft
No data
Cargo Volume (Seats Down)
No data
