2006 Audi A4 vs. 2008 BMW 525
To start off, 2008 BMW 525 is newer by 2 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 2,967 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (222 HP @ 4000 RPM) has 7 more horse power than 2008 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 2008 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 525 weights approximately 250 kg more than 2006 Audi A4.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 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, 2006 Audi A4 (450 Nm @ 1400 RPM) has 200 more torque (in Nm) than 2008 BMW 525. (250 Nm @ 2750 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 525.
Compare all specifications:
| 2006 Audi A4 | 2008 BMW 525 | |
| Make | Audi | BMW |
| Model | A4 | 525 |
| Year Released | 2006 | 2008 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 222 HP | 215 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 450 Nm | 250 Nm |
| Torque RPM | 1400 RPM | 2750 RPM |
| Engine Bore Size | 83.1 mm | 78.8 mm |
| Engine Stroke Size | 91.4 mm | 82 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 7.4 seconds | 7.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1680 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 | 7.6 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
