2005 Audi A6 vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 2,497 cc (6 cylinders), 2007 BMW 525 is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (215 HP @ 6500 RPM) has 37 more horse power than 2005 Audi A6. (178 HP @ 6000 RPM) In normal driving conditions, 2007 BMW 525 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 55 kg more than 2005 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 525. In wet, icy, snow, or gravel driving conditions, 2005 Audi A6 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 BMW 525 (251 Nm @ 2750 RPM) has 26 more torque (in Nm) than 2005 Audi A6. (225 Nm @ 3000 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2007 BMW 525 | |
| Make | Audi | BMW |
| Model | A6 | 525 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 215 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 225 Nm | 251 Nm |
| Torque RPM | 3000 RPM | 2750 RPM |
| Engine Bore Size | 81 mm | 78.8 mm |
| Engine Stroke Size | 77.4 mm | 82 mm |
| Top Speed | 230 km/hour | 240 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 7.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1625 kg | 1680 kg |
| Vehicle Length | 4920 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2580 mm | 2840 mm |
| Fuel Consumption Overall | 10.9 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
