2009 Audi A4 vs. 2006 BMW 525
To start off, 2009 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW 525. In addition, the cost of maintenance, including insurance, on 2006 BMW 525 would be higher. At 2,697 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (187 HP @ 3500 RPM) has 12 more horse power than 2006 BMW 525. (175 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2006 BMW 525.
Because 2006 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 2006 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2009 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, both vehicles can yield 400 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2009 Audi A4 | 2006 BMW 525 | |
| Make | Audi | BMW |
| Model | A4 | 525 |
| Year Released | 2009 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2697 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 175 HP |
| Engine RPM | 3500 RPM | 4000 RPM |
| Torque | 400 Nm | 400 Nm |
| Torque RPM | 1400 RPM | 2000 RPM |
| Engine Compression Ratio | 17.5:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 8.3 seconds | 8.1 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4710 mm | 4850 mm |
| Vehicle Width | 1830 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1500 mm |
| Wheelbase Size | 2810 mm | 2730 mm |
| Fuel Consumption Overall | 6.5 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 65 L | 70 L |
