The Comparative Analysis :
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17) vs. Porsche 911 Turbo Convertible S PDK (20 - ..)
€ 465,600
€ 231,700
€ 465,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 231,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Rolls-Royce Phantom Drophead Coupé 6.8 V12 is substantially bigger in every dimension. It's 42.4 inches longer, 3.4 inches wider and 10.4 inches taller than the Porsche 911 Turbo Convertible S.
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Convertible S
61.7
78.2
86.1
51.2
74.8
79.7
78.2 in
Width
74.8 in
86.1 in
Width Incl. Mirrors
79.7 in
61.7 in
Height
51.2 in
130.7
220.9
96.5
178.5
220.9 in
Length
178.5 in
130.7 in
Wheelbase
96.5 in
Vehicle Weight
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Convertible S
5776 lb
Curb Weight
3935 lb
6724 lb
Gross Vehicle
Weight
Weight
4586 lb
Weight Difference:
1841 lb
31.87 %
General
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Convertible S
RR2
Generation
992
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed automatic transmission
Transmission
8-speed dual clutch transmission
Engine
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Convertible S
V12 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine with two turbochargers (biturbo)
4
Valves
4
12
Cylinders
6
6.7 L / 328 cu in
Displacement
3.7 L / 181 cu in
454 hp
at 5350 rpm
Power
641 hp
at 6750 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
454 hp
641 hp
Porsche 911 Turbo Convertible S
531 lb‑ft
at 3500 rpm
Max. Torque
590 lb‑ft
at 2500 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
531 lb‑ft
590 lb‑ft
Porsche 911 Turbo Convertible S
Performance
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Convertible S
149 mph
Maximum Speed
205 mph
5.8 sec
Acceleration 0 to 62 mph
2.8 sec
62 mph
62
mph
mph
266 ft
0.000 sec
Rolls-Royce Phantom Drophead Coupé 6.8 V12
62 mph
62
mph
mph
128 ft
0.000 sec
Porsche 911 Turbo Convertible S
▶ REPLAY
12.72 lb/hp
Weight-to-Power Ratio
6.14 lb/hp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
12.72 lb/hp
6.14 lb/hp
Porsche 911 Turbo Convertible S
Fuel Economy / Emissions
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Convertible S
Fuel Economy
16 mpg
combined
21 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
16 mpg
21 mpg
Porsche 911 Turbo Convertible S
10 mpg
city
15 mpg
23 mpg
highway
27 mpg
21.1 gal
Fuel Tank Capacity
17.7 gal
336 mi
Range
368 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
336 mi
368 mi
Porsche 911 Turbo Convertible S
Environmental Impact
280.3 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).
214 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
280.3 kWh
214 kWh
Porsche 911 Turbo Convertible S
Euro 6b (NEFZ)
Emission Standard
Euro 6d-ISC-FCM (WLTP) 36AP-AR
558 g/mi (NEFZ)
CO2 Emissions
443 g/mi (WLTP)
Practical Convenience
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Convertible S
2
Doors
2
4
No. of Seats
4
948 lb
Maximum Payload
650 lb
8.9 cu ft
Trunk Volume
3.6 cu ft
No data
Cargo Volume (Seats Down)
No data
