2007 Audi A6 vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 3,123 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (252 HP @ 6500 RPM) has 37 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 220 kg more than 2007 Audi A6.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 525. In wet, icy, snow, or gravel driving conditions, 2007 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 Audi A6 (330 Nm @ 3250 RPM) has 80 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2900 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525. 2009 BMW 525 has automatic transmission and 2007 Audi A6 has manual transmission. 2007 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A6 | 2009 BMW 525 | |
| Make | Audi | BMW |
| Model | A6 | 525 |
| Year Released | 2007 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 252 HP | 215 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 330 Nm | 250 Nm |
| Torque RPM | 3250 RPM | 2900 RPM |
| Engine Bore Size | 84.5 mm | 82 mm |
| Engine Stroke Size | 92.8 mm | 78.8 mm |
| Engine Compression Ratio | 13.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 7.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1495 kg |
| Vehicle Length | 4800 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1470 mm |
| Vehicle Height | 1460 mm | 1850 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Consumption Overall | 11 L/100km | 7.2 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
