2009 Audi A6 vs. 2007 BMW 525
To start off, 2009 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 525. In addition, the cost of maintenance, including insurance, on 2007 BMW 525 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 36 more horse power than 2009 Audi A6. (179 HP @ 4000 RPM) In normal driving conditions, 2007 BMW 525 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 335 kg more than 2007 BMW 525.
Because 2007 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A6. In wet, icy, snow, or gravel driving conditions, 2007 BMW 525 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, 2009 Audi A6 (370 Nm @ 1500 RPM) has 119 more torque (in Nm) than 2007 BMW 525. (251 Nm @ 2750 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525.
Compare all specifications:
| 2009 Audi A6 | 2007 BMW 525 | |
| Make | Audi | BMW |
| Model | A6 | 525 |
| Year Released | 2009 | 2007 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 179 HP | 215 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 370 Nm | 251 Nm |
| Torque RPM | 1500 RPM | 2750 RPM |
| Engine Bore Size | 78.3 mm | 78.8 mm |
| Engine Stroke Size | 86.4 mm | 82 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 219 km/hour | 232 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 8.5 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1615 kg | 1280 kg |
| Vehicle Length | 4800 mm | 4850 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1500 mm |
| Wheelbase Size | 2770 mm | 2840 mm |
| Fuel Consumption Overall | 8.1 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
