The Comparative Analysis :
Rolls-Royce Ghost Dawn 6.6 V12 Black Badge Automatic (17 - ..) vs. Porsche 911 Turbo Convertible S PDK (13 - 15)
€ 381,900

€ 209,800

€ 381,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 209,800
ⓘ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 30.7 inches longer, 2.6 inches wider and 8.3 inches taller than the Porsche 911 Turbo Convertible S.
Rolls-Royce Ghost 6.6 V12
Porsche 911 Turbo Convertible S
59.1
76.7
84.5
50.9
74
77.9
76.7 in
Width
74 in
84.5 in
Width Incl. Mirrors
77.9 in
59.1 in
Height
50.9 in
122.5
208.1
96.5
177.4
208.1 in
Length
177.4 in
122.5 in
Wheelbase
96.5 in
Vehicle Weight
Rolls-Royce Ghost 6.6 V12
Porsche 911 Turbo Convertible S
5644 lb
Curb Weight
3858 lb
6195 lb
Gross Vehicle
Weight
Weight
4508 lb

Weight Difference:
1786 lb
31.65 %

General
Rolls-Royce Ghost 6.6 V12
Porsche 911 Turbo Convertible S
RR6
Generation
991
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 dual clutch transmission
Engine
Rolls-Royce Ghost 6.6 V12
Porsche 911 Turbo Convertible S
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
3.8 L / 186 cu in
593 hp
at 5250 rpm
Power
552 hp
at 6500 rpm
Rolls-Royce Ghost 6.6 V12
593 hp
552 hp
Porsche 911 Turbo Convertible S
620 lb‑ft
at 1650 rpm
Max. Torque
516 lb‑ft
at 5600 rpm
Rolls-Royce Ghost 6.6 V12
620 lb‑ft
516 lb‑ft
Porsche 911 Turbo Convertible S
Performance
Rolls-Royce Ghost 6.6 V12
Porsche 911 Turbo Convertible S
155 mph
Maximum Speed
198 mph
4.9 sec
Acceleration 0 to 62 mph
3.2 sec
62 mph
62
mph
mph
223 ft
0.000 sec

Rolls-Royce Ghost 6.6 V12
62 mph
62
mph
mph
144 ft
0.000 sec

Porsche 911 Turbo Convertible S
▶ REPLAY
9.52 lb/hp
Weight-to-Power Ratio
6.99 lb/hp
Rolls-Royce Ghost 6.6 V12
9.52 lb/hp
6.99 lb/hp
Porsche 911 Turbo Convertible S
Fuel Economy / Emissions
Rolls-Royce Ghost 6.6 V12
Porsche 911 Turbo Convertible S
Fuel Economy
16 mpg
combined
24 mpg
Rolls-Royce Ghost 6.6 V12
16 mpg
24 mpg
Porsche 911 Turbo Convertible S
10 mpg
city
18 mpg
23 mpg
highway
30 mpg
21.9 gal
Fuel Tank Capacity
18 gal
351 mi
Range
427 mi
Rolls-Royce Ghost 6.6 V12
351 mi
427 mi
Porsche 911 Turbo Convertible S
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).
187.5 kWh
Rolls-Royce Ghost 6.6 V12
278.4 kWh
187.5 kWh
Porsche 911 Turbo Convertible S
Euro 6
Emission Standard
Euro 6b (NEFZ)
542 g/mi (NEFZ)
CO2 Emissions
372 g/mi (NEFZ)
Practical Convenience
Rolls-Royce Ghost 6.6 V12
Porsche 911 Turbo Convertible S
2
Doors
2
4
No. of Seats
4
551 lb
Maximum Payload
650 lb
9.1 cu ft
Trunk Volume
3.3 cu ft






No data
Cargo Volume (Seats Down)
No data