2005 Audi RS4 vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi RS4. In addition, the cost of maintenance, including insurance, on 2005 Audi RS4 would be higher. At 2,671 cc (6 cylinders), 2005 Audi RS4 is equipped with a bigger engine. In terms of performance, 2005 Audi RS4 (376 HP @ 6300 RPM) has 161 more horse power than 2007 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2005 Audi RS4 should accelerate faster than 2007 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 95 kg more than 2005 Audi RS4.
Because 2005 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 525. In wet, icy, snow, or gravel driving conditions, 2005 Audi RS4 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 Audi RS4 (449 Nm @ 2500 RPM) has 198 more torque (in Nm) than 2007 BMW 525. (251 Nm @ 2750 RPM). This means 2005 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525.
Compare all specifications:
| 2005 Audi RS4 | 2007 BMW 525 | |
| Make | Audi | BMW |
| Model | RS4 | 525 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 376 HP | 215 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 449 Nm | 251 Nm |
| Torque RPM | 2500 RPM | 2750 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 245 km/hour | 240 km/hour |
| Acceleration 0-100mph | 4.8 seconds | 7.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1585 kg | 1680 kg |
| Vehicle Length | 4600 mm | 4850 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2610 mm | 2840 mm |
| Fuel Consumption Overall | 13.7 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
