2004 Porsche 911 vs. 2007 Rolls-Royce Phantom
To start off, 2007 Rolls-Royce Phantom is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 6,749 cc (12 cylinders), 2007 Rolls-Royce Phantom is equipped with a bigger engine. In terms of performance, 2007 Rolls-Royce Phantom (455 HP @ 5350 RPM) has 139 more horse power than 2004 Porsche 911. (316 HP @ 8000 RPM) In normal driving conditions, 2007 Rolls-Royce Phantom should accelerate faster than 2004 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2007 Rolls-Royce Phantom weights approximately 1080 kg more than 2004 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Rolls-Royce Phantom (720 Nm) has 350 more torque (in Nm) than 2004 Porsche 911. (370 Nm). This means 2007 Rolls-Royce Phantom will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche 911.
Compare all specifications:
| 2004 Porsche 911 | 2007 Rolls-Royce Phantom | |
| Make | Porsche | Rolls-Royce |
| Model | 911 | Phantom |
| Year Released | 2004 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 3596 cc | 6749 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 316 HP | 455 HP |
| Engine RPM | 8000 RPM | 5350 RPM |
| Torque | 370 Nm | 720 Nm |
| Engine Bore Size | 96 mm | 92 mm |
| Engine Stroke Size | 83 mm | 84.6 mm |
| Engine Compression Ratio | 11.3:1 | 11.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1415 kg | 2495 kg |
| Vehicle Length | 4440 mm | 5840 mm |
| Vehicle Width | 1780 mm | 2000 mm |
| Vehicle Height | 1310 mm | 1640 mm |
| Wheelbase Size | 2360 mm | 3580 mm |
| Fuel Consumption Overall | 11.2 L/100km | 15.9 L/100km |
| Fuel Tank Capacity | 64 L | 100 L |
