The Comparative Analysis :
Rolls-Royce Phantom Coupé 6.8 V12 Automatic (08 - 10) vs. Porsche 911 Carrera Coupé 4S (08 - 12)
€ 433,500

€ 105,400

€ 433,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 105,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Rolls-Royce Phantom Coupé 6.8 V12 is substantially bigger in every dimension. It's 46.2 inches longer, 5.3 inches wider and 11.5 inches taller than the Porsche 911 Carrera Coupé 4S.
Rolls-Royce Phantom Coupé 6.8 V12
Porsche 911 Carrera Coupé 4S
62.7
78.2
86.1
51.2
72.9
80.8
78.2 in
Width
72.9 in
86.1 in
Width Incl. Mirrors
80.8 in
62.7 in
Height
51.2 in
130.7
220.8
92.5
174.6
220.8 in
Length
174.6 in
130.7 in
Wheelbase
92.5 in
Vehicle Weight
Rolls-Royce Phantom Coupé 6.8 V12
Porsche 911 Carrera Coupé 4S
5776 lb
Curb Weight
3428 lb
6724 lb
Gross Vehicle
Weight
Weight
4145 lb

Weight Difference:
2348 lb
40.65 %

General
Rolls-Royce Phantom Coupé 6.8 V12
Porsche 911 Carrera Coupé 4S
RR3
Generation
997
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

6-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Rolls-Royce Phantom Coupé 6.8 V12
Porsche 911 Carrera Coupé 4S
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
3.8 L / 186 cu in
454 hp
at 5350 rpm
Power
380 hp
at 6500 rpm
Rolls-Royce Phantom Coupé 6.8 V12
454 hp
380 hp
Porsche 911 Carrera Coupé 4S
531 lb‑ft
at 3500 rpm
Max. Torque
310 lb‑ft
at 4400 rpm
Rolls-Royce Phantom Coupé 6.8 V12
531 lb‑ft
310 lb‑ft
Porsche 911 Carrera Coupé 4S
Performance
Rolls-Royce Phantom Coupé 6.8 V12
Porsche 911 Carrera Coupé 4S
155 mph
Maximum Speed
185 mph
5.8 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
266 ft
0.000 sec

Rolls-Royce Phantom Coupé 6.8 V12
62 mph
62
mph
mph
213 ft
0.000 sec

Porsche 911 Carrera Coupé 4S
▶ REPLAY
12.72 lb/hp
Weight-to-Power Ratio
9.02 lb/hp
Rolls-Royce Phantom Coupé 6.8 V12
12.72 lb/hp
9.02 lb/hp
Porsche 911 Carrera Coupé 4S
Fuel Economy / Emissions
Rolls-Royce Phantom Coupé 6.8 V12
Porsche 911 Carrera Coupé 4S
Fuel Economy
15 mpg
combined
21 mpg
Rolls-Royce Phantom Coupé 6.8 V12
15 mpg
21 mpg
Porsche 911 Carrera Coupé 4S
10 mpg
city
14 mpg
21 mpg
highway
31 mpg
26.4 gal
Fuel Tank Capacity
17.7 gal
396 mi
Range
378 mi
Rolls-Royce Phantom Coupé 6.8 V12
396 mi
378 mi
Porsche 911 Carrera Coupé 4S
Environmental Impact
297.4 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).
208.4 kWh
Rolls-Royce Phantom Coupé 6.8 V12
297.4 kWh
208.4 kWh
Porsche 911 Carrera Coupé 4S
Euro 4 III
Emission Standard
Euro 5
607 g/mi (NEFZ)
CO2 Emissions
417 g/mi (NEFZ)
Practical Convenience
Rolls-Royce Phantom Coupé 6.8 V12
Porsche 911 Carrera Coupé 4S
2
Doors
2
4
No. of Seats
4
948 lb
Maximum Payload
717 lb
11.2 cu ft
Trunk Volume
3 cu ft






No data
Cargo Volume (Seats Down)
No data