2006 Audi A4 vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 2,497 cc (6 cylinders), 2009 BMW 525 is equipped with a bigger engine. In terms of performance, 2009 BMW 525 (215 HP @ 6500 RPM) has 53 more horse power than 2006 Audi A4. (162 HP @ 5700 RPM) In normal driving conditions, 2009 BMW 525 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 226 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 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 525. In wet, icy, snow, or gravel driving conditions, 2006 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, 2009 BMW 525 (250 Nm @ 2750 RPM) has 25 more torque (in Nm) than 2006 Audi A4. (225 Nm @ 1950 RPM). This means 2009 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 | 2009 BMW 525 | |
| Make | Audi | BMW |
| Model | A4 | 525 |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Station Wagon |
| 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 | 162 HP | 215 HP |
| Engine RPM | 5700 RPM | 6500 RPM |
| Torque | 225 Nm | 250 Nm |
| Torque RPM | 1950 RPM | 2750 RPM |
| Engine Bore Size | 81 mm | 78.8 mm |
| Engine Stroke Size | 86.4 mm | 82 mm |
| Engine Compression Ratio | 9.3:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 226 km/hour | 240 km/hour |
| Acceleration 0-100mph | 8.7 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 | 1460 kg | 1686 kg |
| Vehicle Length | 4550 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Consumption Overall | 9.2 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
