2005 Audi A4 vs. 2006 BMW 525
To start off, 2006 BMW 525 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 2,497 cc (6 cylinders), 2006 BMW 525 is equipped with a bigger engine. In terms of performance, 2006 BMW 525 (215 HP @ 6500 RPM) has 77 more horse power than 2005 Audi A4. (138 HP @ 4000 RPM) In normal driving conditions, 2006 BMW 525 should accelerate faster than 2005 Audi A4.
Because 2006 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Audi A4. In wet, icy, snow, or gravel driving conditions, 2006 BMW 525 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, 2005 Audi A4 (320 Nm @ 1750 RPM) has 70 more torque (in Nm) than 2006 BMW 525. (250 Nm @ 2750 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525.
Compare all specifications:
| 2005 Audi A4 | 2006 BMW 525 | |
| Make | Audi | BMW |
| Model | A4 | 525 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 215 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 320 Nm | 250 Nm |
| Torque RPM | 1750 RPM | 2750 RPM |
| Engine Bore Size | 81 mm | 78.8 mm |
| Engine Stroke Size | 95.5 mm | 82 mm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4550 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2890 mm |
| Fuel Tank Capacity | 66 L | 70 L |
