2007 Audi A4 vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 5,495 cc (6 cylinders), 2009 BMW 525 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (255 HP @ 6500 RPM) has 40 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 247 kg more than 2007 Audi A4.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 525. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A4 (330 Nm @ 3250 RPM) has 80 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2900 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525.
Compare all specifications:
| 2007 Audi A4 | 2009 BMW 525 | |
| Make | Audi | BMW |
| Model | A4 | 525 |
| Year Released | 2007 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 5495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 215 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 330 Nm | 250 Nm |
| Torque RPM | 3250 RPM | 2900 RPM |
| Engine Compression Ratio | 11.3:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1278 kg | 1525 kg |
| Vehicle Length | 4590 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1470 mm |
| Vehicle Height | 1430 mm | 1850 mm |
| Wheelbase Size | 2660 mm | 2890 mm |
| Fuel Consumption Overall | 10.7 L/100km | 7 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
