2006 Audi A4 vs. 2003 BMW 525
To start off, 2006 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW 525. In addition, the cost of maintenance, including insurance, on 2003 BMW 525 would be higher. At 2,492 cc (6 cylinders), 2003 BMW 525 is equipped with a bigger engine. In terms of performance, 2003 BMW 525 (184 HP @ 6000 RPM) has 55 more horse power than 2006 Audi A4. (129 HP @ 5700 RPM) In normal driving conditions, 2003 BMW 525 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 525 weights approximately 200 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW 525 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 BMW 525 (245 Nm @ 3500 RPM) has 50 more torque (in Nm) than 2006 Audi A4. (195 Nm @ 3300 RPM). This means 2003 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2003 BMW 525 | |
| Make | Audi | BMW |
| Model | A4 | 525 |
| Year Released | 2006 | 2003 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2492 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 129 HP | 184 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 195 Nm | 245 Nm |
| Torque RPM | 3300 RPM | 3500 RPM |
| Engine Bore Size | 82.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 75 mm |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Top Speed | 208 km/hour | 238 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 7.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1365 kg | 1565 kg |
| Vehicle Length | 4550 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2890 mm |
| Fuel Consumption Overall | 8 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
