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 2,976 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (217 HP @ 6300 RPM) has 42 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 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 525. In wet, icy, snow, or gravel driving conditions, 2009 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 BMW 525 (400 Nm @ 2000 RPM) has 100 more torque (in Nm) than 2009 Audi A4. (300 Nm @ 3200 RPM). This means 2006 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2006 BMW 525 | |
| Make | Audi | BMW |
| Model | A4 | 525 |
| Year Released | 2009 | 2006 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 175 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 300 Nm | 400 Nm |
| Torque RPM | 3200 RPM | 2000 RPM |
| Engine Compression Ratio | 11.0:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 241 km/hour | 225 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 8.1 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4580 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1400 mm | 1500 mm |
| Wheelbase Size | 2660 mm | 2730 mm |
| Fuel Consumption Overall | 11.1 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
