The Comparative Analysis :
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..) vs. Porsche 911 Targa 4 (08 - 12)
€ 333,200

€ 100,800

€ 333,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 100,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Rolls-Royce Ghost 6.6 V12 is substantially bigger in every dimension. It's 85 cm longer, 9.5 cm wider and 19.2 cm taller than the Porsche 911 Targa 4.
Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
1502
1947
2147
1310
1852
2052
1947 mm
Width
1852 mm
2147 mm
Width Incl. Mirrors
2052 mm
1502 mm
Height
1310 mm
3112
5285
2350
4435
5285 mm
Length
4435 mm
3112 mm
Wheelbase
2350 mm
Vehicle Weight
Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
2560 kg
Kerb Weight
1605 kg
2810 kg
Gross Vehicle
Weight
Weight
1910 kg

Weight Difference:
955 kg
37.3 %

General
Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
RR6
Generation
997
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
V12 petrol engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer petrol engine (naturally aspirated engine)
4
Valves
4
12
Cylinders
6
6592 CC
Engine Capacity
3614 CC
562 bhp
at 5250 rpm
Power
340 bhp
at 6500 rpm
Rolls-Royce Ghost 6.6 V12
562 bhp
340 bhp
Porsche 911 Targa 4
820 NM
at 1500 rpm
Max. Torque
390 NM
at 4400 rpm
Rolls-Royce Ghost 6.6 V12
820 NM
390 NM
Porsche 911 Targa 4
Performance
Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
155 mph
Maximum Speed
176 mph
5 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
69 m
0.000 sec

Rolls-Royce Ghost 6.6 V12
62 mph
62
mph
mph
72 m
0.000 sec

Porsche 911 Targa 4
▶ REPLAY
4.56 kg/bhp
Weight-to-Power Ratio
4.72 kg/bhp
Rolls-Royce Ghost 6.6 V12
4.56 kg/bhp
4.72 kg/bhp
Porsche 911 Targa 4
Fuel Economy / Emissions
Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
Fuel Economy
18 mpg
combined
27 mpg
Rolls-Royce Ghost 6.6 V12
18 mpg
27 mpg
Porsche 911 Targa 4
13 mpg
city
18 mpg
23 mpg
motorway
38 mpg
83 L
Fuel Tank Capacity
67 L
321 mi
Range
393 mi
Rolls-Royce Ghost 6.6 V12
321 mi
393 mi
Porsche 911 Targa 4
Environmental Impact
305 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).
200.8 kWh
Rolls-Royce Ghost 6.6 V12
305 kWh
200.8 kWh
Porsche 911 Targa 4
Euro 6d-TEMP
Emission Standard
Euro 5
367 g/km (NEFZ)
CO2 Emissions
249 g/km (NEFZ)
Practical Convenience
Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
2
Doors
2
4
No. of Seats
4
250 kg
Maximum Payload
305 kg
321 L
Boot Capacity
105 L





No data
Boot Capacity (Seats Down)
No data