2009 Audi Q7 vs. 2007 BMW 525
To start off, 2009 Audi Q7 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 3,597 cc (6 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (280 HP @ 6200 RPM) has 65 more horse power than 2007 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2007 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 545 kg more than 2009 Audi Q7.
Because 2009 Audi Q7 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, 2009 Audi Q7 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 Q7 (361 Nm @ 2750 RPM) has 111 more torque (in Nm) than 2007 BMW 525. (250 Nm @ 2900 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525. 2009 Audi Q7 has automatic transmission and 2007 BMW 525 has manual transmission. 2007 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi Q7 | 2007 BMW 525 | |
| Make | Audi | BMW |
| Model | Q7 | 525 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3597 cc | 2495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 280 HP | 215 HP |
| Engine RPM | 6200 RPM | 6500 RPM |
| Torque | 361 Nm | 250 Nm |
| Torque RPM | 2750 RPM | 2900 RPM |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 930 kg | 1475 kg |
| Vehicle Length | 5090 mm | 4850 mm |
| Vehicle Width | 1990 mm | 1470 mm |
| Vehicle Height | 1740 mm | 1850 mm |
| Wheelbase Size | 3010 mm | 2890 mm |
| Fuel Consumption Overall | 6.8 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 100 L | 70 L |
