The Comparative Analysis :
Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..) vs. Porsche 911 Carrera Convertible GTS (14 - 15)
€ 381,900
€ 130,300
€ 381,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 130,300
ⓘ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 30.6 inches longer, 3.7 inches wider and 8.3 inches taller than the Porsche 911 Carrera Convertible GTS.
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible GTS
59.1
76.7
84.5
50.9
72.9
77.9
76.7 in
Width
72.9 in
84.5 in
Width Incl. Mirrors
77.9 in
59.1 in
Height
50.9 in
122.5
208.1
96.5
177.5
208.1 in
Length
177.5 in
122.5 in
Wheelbase
96.5 in
Vehicle Weight
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible GTS
5644 lb
Curb Weight
3461 lb
6195 lb
Gross Vehicle
Weight
Weight
4200 lb
Weight Difference:
2183 lb
38.68 %
General
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible GTS
RR6
Generation
991
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed manual transmission
Engine
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible GTS
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
3.8 L / 186 cu in
593 hp
at 5250 rpm
Power
424 hp
at 7500 rpm
Rolls-Royce Ghost 6.6 V12
593 hp
424 hp
Porsche 911 Carrera Convertible GTS
620 lb‑ft
at 1650 rpm
Max. Torque
325 lb‑ft
at 5750 rpm
Rolls-Royce Ghost 6.6 V12
620 lb‑ft
325 lb‑ft
Porsche 911 Carrera Convertible GTS
Performance
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible GTS
155 mph
Maximum Speed
189 mph
4.9 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
223 ft
0.000 sec
Rolls-Royce Ghost 6.6 V12
62 mph
62
mph
mph
210 ft
0.000 sec
Porsche 911 Carrera Convertible GTS
▶ REPLAY
9.52 lb/hp
Weight-to-Power Ratio
8.16 lb/hp
Rolls-Royce Ghost 6.6 V12
9.52 lb/hp
8.16 lb/hp
Porsche 911 Carrera Convertible GTS
Fuel Economy / Emissions
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible GTS
Fuel Economy
16 mpg
combined
24 mpg
Rolls-Royce Ghost 6.6 V12
16 mpg
24 mpg
Porsche 911 Carrera Convertible GTS
10 mpg
city
17 mpg
23 mpg
highway
31 mpg
21.9 gal
Fuel Tank Capacity
16.9 gal
351 mi
Range
410 mi
Rolls-Royce Ghost 6.6 V12
351 mi
410 mi
Porsche 911 Carrera Convertible GTS
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).
183.8 kWh
Rolls-Royce Ghost 6.6 V12
278.4 kWh
183.8 kWh
Porsche 911 Carrera Convertible GTS
Euro 6
Emission Standard
Euro 6b (NEFZ)
542 g/mi (NEFZ)
CO2 Emissions
367 g/mi (NEFZ)
Practical Convenience
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible GTS
2
Doors
2
4
No. of Seats
4
551 lb
Maximum Payload
739 lb
9.1 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data
