2004 BMW M3 vs. 2003 Rolls-Royce Phantom
To start off, 2004 BMW M3 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Rolls-Royce Phantom. In addition, the cost of maintenance, including insurance, on 2003 Rolls-Royce Phantom would be higher. At 6,749 cc (12 cylinders), 2003 Rolls-Royce Phantom is equipped with a bigger engine. In terms of performance, 2003 Rolls-Royce Phantom (454 HP @ 5350 RPM) has 137 more horse power than 2004 BMW M3. (317 HP @ 7250 RPM) In normal driving conditions, 2003 Rolls-Royce Phantom should accelerate faster than 2004 BMW M3. With that said, vehicle weight also plays an important factor in acceleration. 2003 Rolls-Royce Phantom weights approximately 710 kg more than 2004 BMW M3. 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, 2003 Rolls-Royce Phantom (721 Nm) has 366 more torque (in Nm) than 2004 BMW M3. (355 Nm). This means 2003 Rolls-Royce Phantom will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW M3.
Compare all specifications:
| 2004 BMW M3 | 2003 Rolls-Royce Phantom | |
| Make | BMW | Rolls-Royce |
| Model | M3 | Phantom |
| Year Released | 2004 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3169 cc | 6749 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 317 HP | 454 HP |
| Engine RPM | 7250 RPM | 5350 RPM |
| Torque | 355 Nm | 721 Nm |
| Engine Bore Size | 87 mm | 92 mm |
| Engine Stroke Size | 91 mm | 84.6 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1775 kg | 2485 kg |
| Vehicle Length | 4500 mm | 6090 mm |
| Vehicle Width | 1790 mm | 2000 mm |
| Vehicle Height | 1380 mm | 1640 mm |
| Wheelbase Size | 2790 mm | 3580 mm |
| Fuel Consumption | 10.4 L/100km | 11 L/100km |
| Fuel Consumption City | 14.9 L/100km | 24.6 L/100km |
| Fuel Consumption Overall | 13.2 L/100km | 15.9 L/100km |
| Fuel Tank Capacity | 63 L | 100 L |
