The Comparative Analysis :

Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18) vs. Porsche 911 Carrera Convertible GTS PDK (14 - 15)

€ 333,200
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18) Rolls-Royce Ghost 6.6 V12
€ 134,400
Porsche 911 Carrera Convertible GTS PDK (14 - 15) Porsche 911 Carrera Convertible GTS
€ 333,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 134,400

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
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)
76.7
84.5
50.9
Blueprint Porsche 911 Carrera Convertible GTS PDK (14 - 15)
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
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)
122.5
208.1
Blueprint Porsche 911 Carrera Convertible GTS PDK (14 - 15)
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
3505 lb
6195 lb
Gross Vehicle
Weight
4244 lb
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)
Weight Difference:
2138 lb
37.88 %
Porsche 911 Carrera Convertible GTS PDK (14 - 15)

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 dual clutch 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
562 hp
at 5600 rpm
Power
424 hp
at 7500 rpm
Rolls-Royce Ghost 6.6 V12
562 hp
424 hp
Porsche 911 Carrera Convertible GTS
575 lb‑ft
at 1400 rpm
Max. Torque
325 lb‑ft
at 5750 rpm
Rolls-Royce Ghost 6.6 V12
575 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
188 mph
4.9 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph 62
mph

223 ft
0.000 sec

Rolls-Royce Ghost 6.6 V12

62 mph 62
mph

190 ft
0.000 sec

Porsche 911 Carrera Convertible GTS

 REPLAY
10.04 lb/hp
Weight-to-Power Ratio
8.27 lb/hp
Rolls-Royce Ghost 6.6 V12
10.04 lb/hp
8.27 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
26 mpg
Rolls-Royce Ghost 6.6 V12
16 mpg
26 mpg
Porsche 911 Carrera Convertible GTS
11 mpg
city
19 mpg
24 mpg
highway
34 mpg
Kraftstoffanzeige
21.9 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
358 mi
Range
447 mi
Rolls-Royce Ghost 6.6 V12
358 mi
447 mi
Porsche 911 Carrera Convertible GTS
Environmental Impact
272.8 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).
168.7 kWh
Rolls-Royce Ghost 6.6 V12
272.8 kWh
168.7 kWh
Porsche 911 Carrera Convertible GTS
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
531 g/mi (NEFZ)
CO2 Emissions
333 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