2003 Audi A6 vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 2,671 cc (6 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (226 HP @ 5800 RPM) has 11 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2003 Audi A6 should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 97 kg more than 2009 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2003 Audi A6 (310 Nm @ 1700 RPM) has 60 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2750 RPM). This means 2003 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525.
Compare all specifications:
| 2003 Audi A6 | 2009 BMW 525 | |
| Make | Audi | BMW |
| Model | A6 | 525 |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 226 HP | 215 HP |
| Engine RPM | 5800 RPM | 6500 RPM |
| Torque | 310 Nm | 250 Nm |
| Torque RPM | 1700 RPM | 2750 RPM |
| Engine Bore Size | 81 mm | 78.8 mm |
| Engine Stroke Size | 86.4 mm | 82 mm |
| Engine Compression Ratio | 9.3:1 | 11.0:1 |
| Top Speed | 245 km/hour | 237 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 8.3 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1662 kg | 1565 kg |
| Vehicle Length | 4800 mm | 4850 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Consumption Overall | 11.6 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
