2004 Audi A4 vs. 2005 Rolls-Royce Phantom
To start off, 2005 Rolls-Royce Phantom is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 6,748 cc (12 cylinders), 2005 Rolls-Royce Phantom is equipped with a bigger engine. In terms of performance, 2005 Rolls-Royce Phantom (454 HP @ 5350 RPM) has 257 more horse power than 2004 Audi A4. (197 HP @ 5100 RPM) In normal driving conditions, 2005 Rolls-Royce Phantom should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Rolls-Royce Phantom weights approximately 1135 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Rolls-Royce Phantom. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 will offer significantly more control. 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, 2005 Rolls-Royce Phantom (720 Nm @ 3500 RPM) has 440 more torque (in Nm) than 2004 Audi A4. (280 Nm @ 1800 RPM). This means 2005 Rolls-Royce Phantom will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2005 Rolls-Royce Phantom | |
| Make | Audi | Rolls-Royce |
| Model | A4 | Phantom |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 6748 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 454 HP |
| Engine RPM | 5100 RPM | 5350 RPM |
| Torque | 280 Nm | 720 Nm |
| Torque RPM | 1800 RPM | 3500 RPM |
| Engine Bore Size | 82.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 84.6 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Top Speed | 235 km/hour | 240 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 6.1 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1535 kg | 2670 kg |
| Vehicle Length | 4590 mm | 5840 mm |
| Vehicle Width | 1780 mm | 2000 mm |
| Vehicle Height | 1430 mm | 1640 mm |
| Wheelbase Size | 2470 mm | 3830 mm |
| Fuel Consumption City | 13.3 L/100km | 24.6 L/100km |
| Fuel Consumption Overall | 9.6 L/100km | 15.9 L/100km |
| Fuel Tank Capacity | 63 L | 100 L |
