The Comparative Analysis :

Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..) vs. Porsche 911 Carrera Convertible 4S (20 - ..)

€ 333,200
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..) Rolls-Royce Ghost 6.6 V12
€ 144,000
Porsche 911 Carrera Convertible 4S (20 - ..) Porsche 911 Carrera Convertible 4S
€ 333,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 144,000

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 30.2 inches longer, 3.7 inches wider and 8 inches taller than the Porsche 911 Carrera Convertible 4S.
Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible 4S
59.1
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..)
76.7
84.5
51.1
Blueprint Porsche 911 Carrera Convertible 4S (20 - ..)
72.9
79.7
76.7 in
Width
72.9 in
84.5 in
Width Incl. Mirrors
79.7 in
59.1 in
Height
51.1 in
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..)
122.5
208.1
Blueprint Porsche 911 Carrera Convertible 4S (20 - ..)
96.5
177.9
208.1 in
Length
177.9 in
122.5 in
Wheelbase
96.5 in

Vehicle Weight

Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible 4S
5644 lb
Curb Weight
3693 lb
6195 lb
Gross Vehicle
Weight
4486 lb
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..)
Weight Difference:
1951 lb
34.57 %
Porsche 911 Carrera Convertible 4S (20 - ..)

General

Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible 4S
RR6
Generation
992
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
7-speed manual transmission

Engine

Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible 4S
V12 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine with two tur­bo­chargers (bi­turbo)
4
Valves
4
12
Cylinders
6
6.6 L / 323 cu in
Displacement
3 L / 147 cu in
562 hp
at 5250 rpm
Power
444 hp
at 6500 rpm
Rolls-Royce Ghost 6.6 V12
562 hp
444 hp
Porsche 911 Carrera Convertible 4S
605 lb‑ft
at 1500 rpm
Max. Torque
391 lb‑ft
at 2300 rpm
Rolls-Royce Ghost 6.6 V12
605 lb‑ft
391 lb‑ft
Porsche 911 Carrera Convertible 4S

Performance

Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible 4S
155 mph
Maximum Speed
189 mph
5 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph 62
mph

226 ft
0.000 sec

Rolls-Royce Ghost 6.6 V12

62 mph 62
mph

200 ft
0.000 sec

Porsche 911 Carrera Convertible 4S

 REPLAY
10.04 lb/hp
Weight-to-Power Ratio
8.32 lb/hp
Rolls-Royce Ghost 6.6 V12
10.04 lb/hp
8.32 lb/hp
Porsche 911 Carrera Convertible 4S

Fuel Economy / Emissions

Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible 4S
Fuel Economy
15 mpg
combined
23 mpg
Rolls-Royce Ghost 6.6 V12
15 mpg
23 mpg
Porsche 911 Carrera Convertible 4S
10 mpg
city
16 mpg
19 mpg
highway
31 mpg
Kraftstoffanzeige
21.9 gal
Fuel Tank Capacity
17.7 gal
Kraftstoffanzeige
321 mi
Range
408 mi
Rolls-Royce Ghost 6.6 V12
321 mi
408 mi
Porsche 911 Carrera Convertible 4S
Environmental Impact
305 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).
193.3 kWh
Rolls-Royce Ghost 6.6 V12
305 kWh
193.3 kWh
Porsche 911 Carrera Convertible 4S
Euro 6d-TEMP
Emission Standard
Euro 6d
591 g/mi (NEFZ)
CO2 Emissions
378 g/mi (WLTP)

Practical Convenience

Rolls-Royce Ghost 6.6 V12
Porsche 911 Carrera Convertible 4S
2
Doors
2
4
No. of Seats
4
551 lb
Maximum Payload
794 lb
9.1 cu ft
Trunk Volume
3.7 cu ft
No data
Cargo Volume (Seats Down)
No data