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 2,494 cc (6 cylinders), 2006 BMW 525 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (211 HP @ 4300 RPM) has 21 more horse power than 2006 BMW 525. (190 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2006 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 525 weights approximately 330 kg more than 2009 Audi A4.
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, 2009 Audi A4 (350 Nm @ 1500 RPM) has 105 more torque (in Nm) than 2006 BMW 525. (245 Nm @ 3500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525. 2006 BMW 525 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2006 BMW 525 | |
| Make | Audi | BMW |
| Model | A4 | 525 |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 211 HP | 190 HP |
| Engine RPM | 4300 RPM | 6000 RPM |
| Torque | 350 Nm | 245 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Compression Ratio | 9.6:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1030 kg | 1360 kg |
| Vehicle Length | 4710 mm | 4780 mm |
| Vehicle Width | 1840 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2820 mm | 2840 mm |
| Fuel Consumption Overall | 8.3 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
