2004 Audi A6 vs. 2005 BMW 525
To start off, 2005 BMW 525 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 2,671 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (247 HP @ 6300 RPM) has 22 more horse power than 2005 BMW 525. (225 HP @ 6500 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 2005 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 45 kg more than 2005 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, 2004 Audi A6 (340 Nm @ 1800 RPM) has 90 more torque (in Nm) than 2005 BMW 525. (250 Nm @ 2750 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 525.
Compare all specifications:
| 2004 Audi A6 | 2005 BMW 525 | |
| Make | Audi | BMW |
| Model | A6 | 525 |
| Year Released | 2004 | 2005 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 225 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 340 Nm | 250 Nm |
| Torque RPM | 1800 RPM | 2750 RPM |
| Engine Bore Size | 81 mm | 82 mm |
| Engine Stroke Size | 86 mm | 78.8 mm |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1805 kg | 1760 kg |
| Vehicle Length | 4800 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1560 mm | 1500 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Tank Capacity | 70 L | 70 L |
