The Comparative Analysis :

Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17) vs. Porsche 911 Targa 4 GTS (17 - 18)

€ 465,600
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17) Rolls-Royce Phantom Drophead Coupé 6.8 V12
€ 146,200
 Porsche 911 Targa 4 GTS (17 - 18) Porsche 911 Targa 4 GTS
€ 465,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 146,200

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The Rolls-Royce Phantom Drophead Coupé 6.8 V12 is substantially bigger in every dimension. It's 42.7 inches longer, 5.3 inches wider and 10.8 inches taller than the Porsche 911 Targa 4 GTS.
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Targa 4 GTS
61.7
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
78.2
86.1
50.8
Blueprint Porsche 911 Targa 4 GTS (17 - 18)
72.9
77.9
78.2 in
Width
72.9 in
86.1 in
Width Incl. Mirrors
77.9 in
61.7 in
Height
50.8 in
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
130.7
220.9
Blueprint Porsche 911 Targa 4 GTS (17 - 18)
96.5
178.3
220.9 in
Length
178.3 in
130.7 in
Wheelbase
96.5 in

Vehicle Weight

Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Targa 4 GTS
5776 lb
Curb Weight
3660 lb
6724 lb
Gross Vehicle
Weight
4464 lb
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
Weight Difference:
2116 lb
36.63 %
Porsche 911 Targa 4 GTS (17 - 18)

General

Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Targa 4 GTS
RR2
Generation
991
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed automatic transmission
Transmission
7-speed manual transmission

Engine

Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Targa 4 GTS
V12 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
6-cylinder boxer gasoline engine with two tur­bo­chargers (bi­turbo)
4
Valves
4
12
Cylinders
6
6.7 L / 328 cu in
Displacement
3 L / 147 cu in
454 hp
at 5350 rpm
Power
444 hp
at 6500 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
454 hp
444 hp
Porsche 911 Targa 4 GTS
531 lb‑ft
at 3500 rpm
Max. Torque
406 lb‑ft
at 2150 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
531 lb‑ft
406 lb‑ft
Porsche 911 Targa 4 GTS

Performance

Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Targa 4 GTS
149 mph
Maximum Speed
191 mph
5.8 sec
Acceleration 0 to 62 mph
4.1 sec
62 mph 62
mph

266 ft
0.000 sec

Rolls-Royce Phantom Drophead Coupé 6.8 V12

62 mph 62
mph

187 ft
0.000 sec

Porsche 911 Targa 4 GTS

▶ REPLAY
12.72 lb/hp
Weight-to-Power Ratio
8.24 lb/hp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
12.72 lb/hp
8.24 lb/hp
Porsche 911 Targa 4 GTS

Fuel Economy / Emissions

Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Targa 4 GTS
Fuel Economy
16 mpg
combined
24 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
16 mpg
24 mpg
Porsche 911 Targa 4 GTS
10 mpg
city
18 mpg
23 mpg
highway
31 mpg
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
17.7 gal
Kraftstoffanzeige
336 mi
Range
429 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
336 mi
429 mi
Porsche 911 Targa 4 GTS
Environmental Impact
280.3 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).
183.8 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
280.3 kWh
183.8 kWh
Porsche 911 Targa 4 GTS
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
558 g/mi (NEFZ)
CO2 Emissions
354 g/mi (NEFZ)

Practical Convenience

Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Targa 4 GTS
2
Doors
2
4
No. of Seats
4
948 lb
Maximum Payload
805 lb
8.9 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data