The Comparative Analysis :
Porsche 911 Targa 4 (08 - 12) vs. Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..)
€ 100,800
€ 333,200
€ 100,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 333,200
ⓘ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 33.5 inches shorter, 3.7 inches narrower and 7.6 inches lower than the Rolls-Royce Ghost 6.6 V12.
Porsche 911 Targa 4
Rolls-Royce Ghost 6.6 V12
51.6
72.9
80.8
59.1
76.7
84.5
72.9 in
Width
76.7 in
80.8 in
Width Incl. Mirrors
84.5 in
51.6 in
Height
59.1 in
92.5
174.6
122.5
208.1
174.6 in
Length
208.1 in
92.5 in
Wheelbase
122.5 in
Vehicle Weight
Porsche 911 Targa 4
Rolls-Royce Ghost 6.6 V12
3538 lb
Curb Weight
5644 lb
4211 lb
Gross Vehicle
Weight
Weight
6195 lb
Weight Difference:
2105 lb
37.3 %
General
Porsche 911 Targa 4
Rolls-Royce Ghost 6.6 V12
997
Generation
RR6
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 Targa 4
Rolls-Royce Ghost 6.6 V12
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
V12 gasoline engine with two turbochargers (biturbo)
4
Valves
4
6
Cylinders
12
3.6 L / 176 cu in
Displacement
6.6 L / 323 cu in
340 hp
at 6500 rpm
Power
562 hp
at 5250 rpm
Porsche 911 Targa 4
340 hp
562 hp
Rolls-Royce Ghost 6.6 V12
288 lb‑ft
at 4400 rpm
Max. Torque
605 lb‑ft
at 1500 rpm
Porsche 911 Targa 4
288 lb‑ft
605 lb‑ft
Rolls-Royce Ghost 6.6 V12
Performance
Porsche 911 Targa 4
Rolls-Royce Ghost 6.6 V12
176 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
5 sec
62 mph
62
mph
mph
236 ft
0.000 sec
Porsche 911 Targa 4
62 mph
62
mph
mph
226 ft
0.000 sec
Rolls-Royce Ghost 6.6 V12
▶ REPLAY
10.41 lb/hp
Weight-to-Power Ratio
10.04 lb/hp
Porsche 911 Targa 4
10.41 lb/hp
10.04 lb/hp
Rolls-Royce Ghost 6.6 V12
Fuel Economy / Emissions
Porsche 911 Targa 4
Rolls-Royce Ghost 6.6 V12
Fuel Economy
22 mpg
combined
15 mpg
Porsche 911 Targa 4
22 mpg
15 mpg
Rolls-Royce Ghost 6.6 V12
15 mpg
city
10 mpg
32 mpg
highway
19 mpg
17.7 gal
Fuel Tank Capacity
21.9 gal
393 mi
Range
321 mi
Porsche 911 Targa 4
393 mi
321 mi
Rolls-Royce Ghost 6.6 V12
Environmental Impact
200.8 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).
305 kWh
Porsche 911 Targa 4
200.8 kWh
305 kWh
Rolls-Royce Ghost 6.6 V12
Euro 5
Emission Standard
Euro 6d-TEMP
401 g/mi (NEFZ)
CO2 Emissions
591 g/mi (NEFZ)
Practical Convenience
Porsche 911 Targa 4
Rolls-Royce Ghost 6.6 V12
2
Doors
2
4
No. of Seats
4
672 lb
Maximum Payload
551 lb
3 cu ft
Trunk Volume
9.1 cu ft
No data
Cargo Volume (Seats Down)
No data
