The Comparative Analysis :

Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18) vs. Porsche 911 Targa 4 (14 - 15)

€ 333,200
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18) Rolls-Royce Ghost 6.6 V12
€ 110,300
 Porsche 911 Targa 4 (14 - 15) Porsche 911 Targa 4
€ 333,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 110,300

ⓘ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 79.4 cm longer, 9.5 cm wider and 20.4 cm taller than the Porsche 911 Targa 4.
Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
1502
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)
1947
2147
1298
Blueprint Porsche 911 Targa 4 (14 - 15)
1852
1978
1947 mm
Width
1852 mm
2147 mm
Width Incl. Mirrors
1978 mm
1502 mm
Height
1298 mm
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)
3112
5285
Blueprint Porsche 911 Targa 4 (14 - 15)
2450
4491
5285 mm
Length
4491 mm
3112 mm
Wheelbase
2450 mm

Vehicle Weight

Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
2560 kg
Kerb Weight
1615 kg
2810 kg
Gross Vehicle
Weight
1925 kg
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)
Weight Difference:
945 kg
36.91 %
Porsche 911 Targa 4 (14 - 15)

General

Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
RR6
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
8-speed automatic transmission
Transmission
7-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
3436 CC
562 bhp
at 5600 rpm
Power
345 bhp
at 7400 rpm
Rolls-Royce Ghost 6.6 V12
562 bhp
345 bhp
Porsche 911 Targa 4
780 NM
at 1400 rpm
Max. Torque
390 NM
at 5600 rpm
Rolls-Royce Ghost 6.6 V12
780 NM
390 NM
Porsche 911 Targa 4

Performance

Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
155 mph
Maximum Speed
175 mph
4.9 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph 62
mph

68 m
0.000 sec

Rolls-Royce Ghost 6.6 V12

62 mph 62
mph

72 m
0.000 sec

Porsche 911 Targa 4

▶ REPLAY
4.56 kg/bhp
Weight-to-Power Ratio
4.68 kg/bhp
Rolls-Royce Ghost 6.6 V12
4.56 kg/bhp
4.68 kg/bhp
Porsche 911 Targa 4

Fuel Economy / Emissions

Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
Fuel Economy
20 mpg
combined
30 mpg
Rolls-Royce Ghost 6.6 V12
20 mpg
30 mpg
Porsche 911 Targa 4
13 mpg
city
22 mpg
28 mpg
motorway
38 mpg
Kraftstoffanzeige
83 L
Fuel Tank Capacity
68 L
Kraftstoffanzeige
358 mi
Range
445 mi
Rolls-Royce Ghost 6.6 V12
358 mi
445 mi
Porsche 911 Targa 4
Environmental Impact
272.8 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).
179.9 kWh
Rolls-Royce Ghost 6.6 V12
272.8 kWh
179.9 kWh
Porsche 911 Targa 4
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
330 g/km (NEFZ)
CO2 Emissions
223 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
310 kg
321 L
Boot Capacity
125 L
No data
Boot Capacity (Seats Down)
No data