The Comparative Analysis :

Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10) vs. Porsche 911 Targa 4 (14 - 15)

€ 450,700
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10) Rolls-Royce Phantom Drophead Coupé 6.8 V12
€ 110,300
 Porsche 911 Targa 4 (14 - 15) Porsche 911 Targa 4
€ 450,700
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 Phantom Drophead Coupé 6.8 V12 is substantially bigger in every dimension. It's 44 inches longer, 5.3 inches wider and 11.1 inches taller than the Porsche 911 Targa 4.
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Targa 4
62.2
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10)
78.2
86.1
51.1
Blueprint Porsche 911 Targa 4 (14 - 15)
72.9
77.9
78.2 in
Width
72.9 in
86.1 in
Width Incl. Mirrors
77.9 in
62.2 in
Height
51.1 in
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10)
130.7
220.8
Blueprint Porsche 911 Targa 4 (14 - 15)
96.5
176.8
220.8 in
Length
176.8 in
130.7 in
Wheelbase
96.5 in

Vehicle Weight

Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Targa 4
5776 lb
Curb Weight
3560 lb
6724 lb
Gross Vehicle
Weight
4244 lb
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10)
Weight Difference:
2216 lb
38.36 %
Porsche 911 Targa 4 (14 - 15)

General

Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Targa 4
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
V12 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
4
Valves
4
12
Cylinders
6
6.7 L / 328 cu in
Displacement
3.4 L / 166 cu in
454 hp
at 5350 rpm
Power
345 hp
at 7400 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
454 hp
345 hp
Porsche 911 Targa 4
531 lb‑ft
at 3500 rpm
Max. Torque
288 lb‑ft
at 5600 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
531 lb‑ft
288 lb‑ft
Porsche 911 Targa 4

Performance

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

266 ft
0.000 sec

Rolls-Royce Phantom Drophead Coupé 6.8 V12

62 mph 62
mph

236 ft
0.000 sec

Porsche 911 Targa 4

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

Fuel Economy / Emissions

Rolls-Royce Phantom Drophead Coupé 6.8 V12
Porsche 911 Targa 4
Fuel Economy
15 mpg
combined
25 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
15 mpg
25 mpg
Porsche 911 Targa 4
10 mpg
city
18 mpg
21 mpg
highway
31 mpg
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
313 mi
Range
445 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
313 mi
445 mi
Porsche 911 Targa 4
Environmental Impact
301.3 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).
179.9 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
301.3 kWh
179.9 kWh
Porsche 911 Targa 4
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
620 g/mi (NEFZ)
CO2 Emissions
359 g/mi (NEFZ)

Practical Convenience

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