The Comparative Analysis :
Rolls-Royce Phantom Coupé 6.8 V12 Automatic (10 - 17) vs. Porsche 911 GT3 (17 - 18)
€ 448,200
€ 152,400
€ 448,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 152,400
ⓘ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 41.3 inches longer, 5.3 inches wider and 12.9 inches taller than the Porsche 911 GT3.
Rolls-Royce Phantom Coupé 6.8 V12
Porsche 911 GT3
62.9
78.2
86.1
50
72.9
77.9
78.2 in
Width
72.9 in
86.1 in
Width Incl. Mirrors
77.9 in
62.9 in
Height
50 in
130.7
220.9
96.7
179.6
220.9 in
Length
179.6 in
130.7 in
Wheelbase
96.7 in
Vehicle Weight
Rolls-Royce Phantom Coupé 6.8 V12
Porsche 911 GT3
5776 lb
Curb Weight
3280 lb
6724 lb
Gross Vehicle
Weight
Weight
3880 lb
Weight Difference:
2496 lb
43.21 %
General
Rolls-Royce Phantom Coupé 6.8 V12
Porsche 911 GT3
RR3
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Rolls-Royce Phantom Coupé 6.8 V12
Porsche 911 GT3
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
4 L / 196 cu in
454 hp
at 5350 rpm
Power
493 hp
at 8250 rpm
Rolls-Royce Phantom Coupé 6.8 V12
454 hp
493 hp
Porsche 911 GT3
531 lb‑ft
at 3500 rpm
Max. Torque
339 lb‑ft
at 6250 rpm
Rolls-Royce Phantom Coupé 6.8 V12
531 lb‑ft
339 lb‑ft
Porsche 911 GT3
Performance
Rolls-Royce Phantom Coupé 6.8 V12
Porsche 911 GT3
155 mph
Maximum Speed
199 mph
5.8 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph
62
mph
mph
266 ft
0.000 sec
Rolls-Royce Phantom Coupé 6.8 V12
62 mph
62
mph
mph
177 ft
0.000 sec
Porsche 911 GT3
▶ REPLAY
12.72 lb/hp
Weight-to-Power Ratio
6.65 lb/hp
Rolls-Royce Phantom Coupé 6.8 V12
12.72 lb/hp
6.65 lb/hp
Porsche 911 GT3
Fuel Economy / Emissions
Rolls-Royce Phantom Coupé 6.8 V12
Porsche 911 GT3
Fuel Economy
16 mpg
combined
18 mpg
Rolls-Royce Phantom Coupé 6.8 V12
16 mpg
18 mpg
Porsche 911 GT3
10 mpg
city
12 mpg
23 mpg
highway
27 mpg
26.4 gal
Fuel Tank Capacity
16.9 gal
420 mi
Range
308 mi
Rolls-Royce Phantom Coupé 6.8 V12
420 mi
308 mi
Porsche 911 GT3
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).
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).
244.5 kWh
Rolls-Royce Phantom Coupé 6.8 V12
280.3 kWh
244.5 kWh
Porsche 911 GT3
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
558 g/mi (NEFZ)
CO2 Emissions
467 g/mi (NEFZ)
Practical Convenience
Rolls-Royce Phantom Coupé 6.8 V12
Porsche 911 GT3
2
Doors
2
4
No. of Seats
4
948 lb
Maximum Payload
600 lb
11.2 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data
