The Comparative Analysis :

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

€ 333,200
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18) Rolls-Royce Ghost 6.6 V12
€ 118,400
Porsche 911 Targa 4 (16 - 18) Porsche 911 Targa 4
€ 333,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 118,400

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 30.9 inches longer, 3.7 inches wider and 8.4 inches taller than the Porsche 911 Targa 4.
Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
59.1
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)
76.7
84.5
50.7
Blueprint Porsche 911 Targa 4 (16 - 18)
72.9
77.9
76.7 in
Width
72.9 in
84.5 in
Width Incl. Mirrors
77.9 in
59.1 in
Height
50.7 in
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)
122.5
208.1
Blueprint Porsche 911 Targa 4 (16 - 18)
96.5
177.1
208.1 in
Length
177.1 in
122.5 in
Wheelbase
96.5 in

Vehicle Weight

Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
5644 lb
Curb Weight
3627 lb
6195 lb
Gross Vehicle
Weight
4409 lb
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (16 - 18)
Weight Difference:
2017 lb
35.74 %
Porsche 911 Targa 4 (16 - 18)

General

Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
RR6
Generation
991
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
7-speed manual transmission

Engine

Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
V12 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine with two tur­bo­chargers (bi­turbo)
4
Valves
4
12
Cylinders
6
6.6 L / 323 cu in
Displacement
3 L / 147 cu in
562 hp
at 5600 rpm
Power
365 hp
at 6500 rpm
Rolls-Royce Ghost 6.6 V12
562 hp
365 hp
Porsche 911 Targa 4
575 lb‑ft
at 1400 rpm
Max. Torque
332 lb‑ft
at 1700 rpm
Rolls-Royce Ghost 6.6 V12
575 lb‑ft
332 lb‑ft
Porsche 911 Targa 4

Performance

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

223 ft
0.000 sec

Rolls-Royce Ghost 6.6 V12

62 mph 62
mph

213 ft
0.000 sec

Porsche 911 Targa 4

 REPLAY
10.04 lb/hp
Weight-to-Power Ratio
9.94 lb/hp
Rolls-Royce Ghost 6.6 V12
10.04 lb/hp
9.94 lb/hp
Porsche 911 Targa 4

Fuel Economy / Emissions

Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
Fuel Economy
16 mpg
combined
26 mpg
Rolls-Royce Ghost 6.6 V12
16 mpg
26 mpg
Porsche 911 Targa 4
11 mpg
city
19 mpg
24 mpg
highway
34 mpg
Kraftstoffanzeige
21.9 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
358 mi
Range
475 mi
Rolls-Royce Ghost 6.6 V12
358 mi
475 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).
168.7 kWh
Rolls-Royce Ghost 6.6 V12
272.8 kWh
168.7 kWh
Porsche 911 Targa 4
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
531 g/mi (NEFZ)
CO2 Emissions
332 g/mi (NEFZ)

Practical Convenience

Rolls-Royce Ghost 6.6 V12
Porsche 911 Targa 4
2
Doors
2
4
No. of Seats
4
551 lb
Maximum Payload
783 lb
9.1 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data