The Comparative Analysis :
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10) vs. Porsche 911 Turbo Cabriolet S PDK (13 - 15)
€ 450,700
€ 209,800
€ 450,700
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 Phantom Drophead Coupé 6.8 V12 is substantially bigger in every dimension. It's 110.3 cm longer, 10.7 cm wider and 28.9 cm taller than the Porsche 911 Turbo Cabriolet S.
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Cabriolet S
1581
1987
2187
1292
1880
1978
1987 mm
Width
1880 mm
2187 mm
Width Incl. Mirrors
1978 mm
1581 mm
Height
1292 mm
3320
5609
2450
4506
5609 mm
Length
4506 mm
3320 mm
Wheelbase
2450 mm
Vehicle Weight
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Cabriolet S
2620 kg
Kerb Weight
1750 kg
3050 kg
Gross Vehicle
Weight
Weight
2045 kg
Weight Difference:
870 kg
33.21 %
General
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Cabriolet S
RR2
Generation
991
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Permanent all-wheel drive
6-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Cabriolet S
V12 petrol engine (naturally aspirated engine)
Engine Type
6-cylinder boxer petrol engine with two turbochargers (biturbo)
4
Valves
4
12
Cylinders
6
6749 CC
Engine Capacity
3800 CC
454 bhp
at 5350 rpm
Power
552 bhp
at 6500 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
454 bhp
552 bhp
Porsche 911 Turbo Cabriolet S
720 NM
at 3500 rpm
Max. Torque
700 NM
at 5600 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
720 NM
700 NM
Porsche 911 Turbo Cabriolet S
Performance
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Cabriolet S
149 mph
Maximum Speed
198 mph
5.8 sec
Acceleration 0 to 62 mph
3.2 sec
62 mph
62
mph
mph
81 m
0.000 sec
Rolls-Royce Phantom Drophead Coupé 6.8 V12
62 mph
62
mph
mph
44 m
0.000 sec
Porsche 911 Turbo Cabriolet S
▶ REPLAY
5.77 kg/bhp
Weight-to-Power Ratio
3.17 kg/bhp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
5.77 kg/bhp
3.17 kg/bhp
Porsche 911 Turbo Cabriolet S
Fuel Economy / Emissions
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Cabriolet S
Fuel Economy
18 mpg
combined
29 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
18 mpg
29 mpg
Porsche 911 Turbo Cabriolet S
11 mpg
city
21 mpg
26 mpg
motorway
36 mpg
80 L
Fuel Tank Capacity
68 L
313 mi
Range
427 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
313 mi
427 mi
Porsche 911 Turbo Cabriolet S
Environmental Impact
301.3 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).
187.5 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
301.3 kWh
187.5 kWh
Porsche 911 Turbo Cabriolet S
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
385 g/km (NEFZ)
CO2 Emissions
231 g/km (NEFZ)
Practical Convenience
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Cabriolet S
2
Doors
2
4
No. of Seats
4
430 kg
Maximum Payload
295 kg
315 L
Boot Capacity
115 L
No data
Boot Capacity (Seats Down)
No data
