2009 Audi A6 vs. 2005 BMW 525
To start off, 2009 Audi A6 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 525. In addition, the cost of maintenance, including insurance, on 2005 BMW 525 would be higher. At 3,129 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (342 HP @ 6500 RPM) has 127 more horse power than 2005 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2005 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 525 weights approximately 146 kg more than 2009 Audi A6.
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, 2005 BMW 525 (250 Nm @ 2750 RPM) has 7 more torque (in Nm) than 2009 Audi A6. (243 Nm @ 3250 RPM). This means 2005 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2005 BMW 525 | |
| Make | Audi | BMW |
| Model | A6 | 525 |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3129 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 342 HP | 215 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 243 Nm | 250 Nm |
| Torque RPM | 3250 RPM | 2750 RPM |
| Engine Bore Size | 84.6 mm | 82 mm |
| Engine Stroke Size | 92.7 mm | 78.8 mm |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Top Speed | 209 km/hour | 232 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 8.4 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1686 kg |
| Vehicle Length | 4920 mm | 4850 mm |
| Vehicle Width | 1470 mm | 1850 mm |
| Vehicle Height | 1860 mm | 1490 mm |
| Wheelbase Size | 2850 mm | 2890 mm |
| Fuel Consumption Overall | 15.5 L/100km | 10.3 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
