2007 Audi A4 vs. 2004 BMW 525
To start off, 2007 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW 525. In addition, the cost of maintenance, including insurance, on 2004 BMW 525 would be higher. At 2,497 cc (6 cylinders), 2004 BMW 525 is equipped with a bigger engine. In terms of performance, 2004 BMW 525 (174 HP @ 4000 RPM) has 13 more horse power than 2007 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2004 BMW 525 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 525 weights approximately 118 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 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 2004 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2004 BMW 525 (410 Nm @ 2000 RPM) has 185 more torque (in Nm) than 2007 Audi A4. (225 Nm @ 1950 RPM). This means 2004 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2004 BMW 525 | |
| Make | Audi | BMW |
| Model | A4 | 525 |
| Year Released | 2007 | 2004 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 174 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 225 Nm | 410 Nm |
| Torque RPM | 1950 RPM | 2000 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 75.1 mm |
| Engine Compression Ratio | 9.0:1 | 17.0:1 |
| Top Speed | 226 km/hour | 230 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 8.1 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1542 kg | 1660 kg |
| Vehicle Length | 4580 mm | 4780 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2800 mm |
| Fuel Consumption Overall | 8.5 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
