The Comparative Analysis :
Porsche 911 Carrera Convertible 4 PDK (08 - 12) vs. Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
€ 107,100
€ 465,600
€ 107,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 465,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Carrera Convertible 4 is substantially smaller in every dimension. It's 46.3 inches shorter, 5.3 inches narrower and 10.1 inches lower than the Rolls-Royce Phantom Drophead Coupé 6.8 V12.
Porsche 911 Carrera Convertible 4
Rolls-Royce Phantom Drophead Coupé 6.8 V12
51.6
72.9
80.8
61.7
78.2
86.1
72.9 in
Width
78.2 in
80.8 in
Width Incl. Mirrors
86.1 in
51.6 in
Height
61.7 in
92.5
174.6
130.7
220.9
174.6 in
Length
220.9 in
92.5 in
Wheelbase
130.7 in
Vehicle Weight
Porsche 911 Carrera Convertible 4
Rolls-Royce Phantom Drophead Coupé 6.8 V12
3660 lb
Curb Weight
5776 lb
4321 lb
Gross Vehicle
Weight
Weight
6724 lb
Weight Difference:
2116 lb
36.63 %
General
Porsche 911 Carrera Convertible 4
Rolls-Royce Phantom Drophead Coupé 6.8 V12
997
Generation
RR2
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
6-speed automatic transmission
Engine
Porsche 911 Carrera Convertible 4
Rolls-Royce Phantom Drophead Coupé 6.8 V12
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
V12 gasoline engine (naturally aspirated engine)
4
Valves
4
6
Cylinders
12
3.6 L / 176 cu in
Displacement
6.7 L / 328 cu in
340 hp
at 6500 rpm
Power
454 hp
at 5350 rpm
Porsche 911 Carrera Convertible 4
340 hp
454 hp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
288 lb‑ft
at 4400 rpm
Max. Torque
531 lb‑ft
at 3500 rpm
Porsche 911 Carrera Convertible 4
288 lb‑ft
531 lb‑ft
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Performance
Porsche 911 Carrera Convertible 4
Rolls-Royce Phantom Drophead Coupé 6.8 V12
175 mph
Maximum Speed
149 mph
5 sec
Acceleration 0 to 62 mph
5.8 sec
62 mph
62
mph
mph
226 ft
0.000 sec
Porsche 911 Carrera Convertible 4
62 mph
62
mph
mph
266 ft
0.000 sec
Rolls-Royce Phantom Drophead Coupé 6.8 V12
▶ REPLAY
10.76 lb/hp
Weight-to-Power Ratio
12.72 lb/hp
Porsche 911 Carrera Convertible 4
10.76 lb/hp
12.72 lb/hp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Fuel Economy / Emissions
Porsche 911 Carrera Convertible 4
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Fuel Economy
23 mpg
combined
16 mpg
Porsche 911 Carrera Convertible 4
23 mpg
16 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
15 mpg
city
10 mpg
33 mpg
highway
23 mpg
17.7 gal
Fuel Tank Capacity
21.1 gal
404 mi
Range
336 mi
Porsche 911 Carrera Convertible 4
404 mi
336 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Environmental Impact
195.2 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).
280.3 kWh
Porsche 911 Carrera Convertible 4
195.2 kWh
280.3 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Euro 5
Emission Standard
Euro 6b (NEFZ)
389 g/mi (NEFZ)
CO2 Emissions
558 g/mi (NEFZ)
Practical Convenience
Porsche 911 Carrera Convertible 4
Rolls-Royce Phantom Drophead Coupé 6.8 V12
2
Doors
2
4
No. of Seats
4
661 lb
Maximum Payload
948 lb
3 cu ft
Trunk Volume
8.9 cu ft
No data
Cargo Volume (Seats Down)
No data
