The Comparative Analysis :
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17) vs. Porsche 911 Turbo Cabriolet PDK (16 - 18)
€ 465,600

€ 190,000

€ 465,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 190,000
ⓘ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 110.5 cm longer, 10.7 cm wider and 27.2 cm taller than the Porsche 911 Turbo Cabriolet.
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Cabriolet
1566
1987
2187
1294
1880
1978
1987 mm
Width
1880 mm
2187 mm
Width Incl. Mirrors
1978 mm
1566 mm
Height
1294 mm
3320
5612
2450
4507
5612 mm
Length
4507 mm
3320 mm
Wheelbase
2450 mm
Vehicle Weight
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Cabriolet
2620 kg
Kerb Weight
1740 kg
3050 kg
Gross Vehicle
Weight
Weight
2065 kg

Weight Difference:
880 kg
33.59 %

General
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Cabriolet
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
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
533 bhp
at 6400 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
454 bhp
533 bhp
Porsche 911 Turbo Cabriolet
720 NM
at 3500 rpm
Max. Torque
660 NM
at 5600 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
720 NM
660 NM
Porsche 911 Turbo Cabriolet
Performance
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Cabriolet
149 mph
Maximum Speed
199 mph
5.8 sec
Acceleration 0 to 62 mph
3.1 sec
62 mph
62
mph
mph
81 m
0.000 sec

Rolls-Royce Phantom Drophead Coupé 6.8 V12
62 mph
62
mph
mph
43 m
0.000 sec

Porsche 911 Turbo Cabriolet
▶ REPLAY
5.77 kg/bhp
Weight-to-Power Ratio
3.26 kg/bhp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
5.77 kg/bhp
3.26 kg/bhp
Porsche 911 Turbo Cabriolet
Fuel Economy / Emissions
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Cabriolet
Fuel Economy
19 mpg
combined
30 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
19 mpg
30 mpg
Porsche 911 Turbo Cabriolet
12 mpg
city
23 mpg
28 mpg
motorway
37 mpg
80 L
Fuel Tank Capacity
68 L
336 mi
Range
454 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
336 mi
454 mi
Porsche 911 Turbo Cabriolet
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).
176.2 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
280.3 kWh
176.2 kWh
Porsche 911 Turbo Cabriolet
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
347 g/km (NEFZ)
CO2 Emissions
216 g/km (NEFZ)
Practical Convenience
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Turbo Cabriolet
2
Doors
2
4
No. of Seats
4
430 kg
Maximum Payload
325 kg
315 L
Boot Capacity
115 L






No data
Boot Capacity (Seats Down)
No data