The Comparative Analysis :
Porsche 911 Carrera Convertible PDK (12 - 15) vs. Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
€ 106,700
€ 465,600
€ 106,700
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 is substantially smaller in every dimension. It's 44.1 inches shorter, 7 inches narrower and 10.5 inches lower than the Rolls-Royce Phantom Drophead Coupé 6.8 V12.
Porsche 911 Carrera Convertible
Rolls-Royce Phantom Drophead Coupé 6.8 V12
51.1
71.2
77.9
61.7
78.2
86.1
71.2 in
Width
78.2 in
77.9 in
Width Incl. Mirrors
86.1 in
51.1 in
Height
61.7 in
96.5
176.8
130.7
220.9
176.8 in
Length
220.9 in
96.5 in
Wheelbase
130.7 in
Vehicle Weight
Porsche 911 Carrera Convertible
Rolls-Royce Phantom Drophead Coupé 6.8 V12
3406 lb
Curb Weight
5776 lb
4123 lb
Gross Vehicle
Weight
Weight
6724 lb
Weight Difference:
2370 lb
41.03 %
General
Porsche 911 Carrera Convertible
Rolls-Royce Phantom Drophead Coupé 6.8 V12
991
Generation
RR2
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed dual clutch transmission
Transmission
6-speed automatic transmission
Engine
Porsche 911 Carrera Convertible
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
3.4 L / 166 cu in
Displacement
6.7 L / 328 cu in
345 hp
at 7400 rpm
Power
454 hp
at 5350 rpm
Porsche 911 Carrera Convertible
345 hp
454 hp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
288 lb‑ft
at 5600 rpm
Max. Torque
531 lb‑ft
at 3500 rpm
Porsche 911 Carrera Convertible
288 lb‑ft
531 lb‑ft
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Performance
Porsche 911 Carrera Convertible
Rolls-Royce Phantom Drophead Coupé 6.8 V12
176 mph
Maximum Speed
149 mph
4.8 sec
Acceleration 0 to 62 mph
5.8 sec
62 mph
62
mph
mph
220 ft
0.000 sec
Porsche 911 Carrera Convertible
62 mph
62
mph
mph
266 ft
0.000 sec
Rolls-Royce Phantom Drophead Coupé 6.8 V12
▶ REPLAY
9.87 lb/hp
Weight-to-Power Ratio
12.72 lb/hp
Porsche 911 Carrera Convertible
9.87 lb/hp
12.72 lb/hp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Fuel Economy / Emissions
Porsche 911 Carrera Convertible
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Fuel Economy
28 mpg
combined
16 mpg
Porsche 911 Carrera Convertible
28 mpg
16 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
21 mpg
city
10 mpg
35 mpg
highway
23 mpg
16.9 gal
Fuel Tank Capacity
21.1 gal
473 mi
Range
336 mi
Porsche 911 Carrera Convertible
473 mi
336 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Environmental Impact
159.2 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
159.2 kWh
280.3 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Euro 5 / Euro 6
Emission Standard
Euro 6b (NEFZ)
319 g/mi (NEFZ)
CO2 Emissions
558 g/mi (NEFZ)
Practical Convenience
Porsche 911 Carrera Convertible
Rolls-Royce Phantom Drophead Coupé 6.8 V12
2
Doors
2
4
No. of Seats
4
717 lb
Maximum Payload
948 lb
4.1 cu ft
Trunk Volume
8.9 cu ft
No data
Cargo Volume (Seats Down)
No data
