The Comparative Analysis :
Porsche 911 Targa 4 PDK (08 - 12) vs. Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
€ 104,300

€ 465,600

€ 104,300
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 Targa 4 is substantially smaller in every dimension. It's 117.7 cm shorter, 13.5 cm narrower and 25.6 cm lower than the Rolls-Royce Phantom Drophead Coupé 6.8 V12.
Porsche 911 Targa 4
Rolls-Royce Phantom Drophead Coupé 6.8 V12
1310
1852
2052
1566
1987
2187
1852 mm
Width
1987 mm
2052 mm
Width Incl. Mirrors
2187 mm
1310 mm
Height
1566 mm
2350
4435
3320
5612
4435 mm
Length
5612 mm
2350 mm
Wheelbase
3320 mm
Vehicle Weight
Porsche 911 Targa 4
Rolls-Royce Phantom Drophead Coupé 6.8 V12
1635 kg
Kerb Weight
2620 kg
1940 kg
Gross Vehicle
Weight
Weight
3050 kg

Weight Difference:
985 kg
37.6 %

General
Porsche 911 Targa 4
Rolls-Royce Phantom Drophead Coupé 6.8 V12
997
Generation
RR2
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Rear-wheel drive

7-speed dual clutch transmission
Transmission
6-speed automatic transmission
Engine
Porsche 911 Targa 4
Rolls-Royce Phantom Drophead Coupé 6.8 V12
6-cylinder boxer petrol engine (naturally aspirated engine)
Engine Type
V12 petrol engine (naturally aspirated engine)
4
Valves
4
6
Cylinders
12
3614 CC
Engine Capacity
6749 CC
340 bhp
at 6500 rpm
Power
454 bhp
at 5350 rpm
Porsche 911 Targa 4
340 bhp
454 bhp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
390 NM
at 4400 rpm
Max. Torque
720 NM
at 3500 rpm
Porsche 911 Targa 4
390 NM
720 NM
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Performance
Porsche 911 Targa 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
69 m
0.000 sec

Porsche 911 Targa 4
62 mph
62
mph
mph
81 m
0.000 sec

Rolls-Royce Phantom Drophead Coupé 6.8 V12
▶ REPLAY
4.81 kg/bhp
Weight-to-Power Ratio
5.77 kg/bhp
Porsche 911 Targa 4
4.81 kg/bhp
5.77 kg/bhp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Fuel Economy / Emissions
Porsche 911 Targa 4
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Fuel Economy
27 mpg
combined
19 mpg
Porsche 911 Targa 4
27 mpg
19 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
18 mpg
city
12 mpg
39 mpg
motorway
28 mpg
67 L
Fuel Tank Capacity
80 L
404 mi
Range
336 mi
Porsche 911 Targa 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 Targa 4
195.2 kWh
280.3 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Euro 5
Emission Standard
Euro 6b (NEFZ)
242 g/km (NEFZ)
CO2 Emissions
347 g/km (NEFZ)
Practical Convenience
Porsche 911 Targa 4
Rolls-Royce Phantom Drophead Coupé 6.8 V12
2
Doors
2
4
No. of Seats
4
305 kg
Maximum Payload
430 kg
105 L
Boot Capacity
315 L





No data
Boot Capacity (Seats Down)
No data