2011 Audi Q7 vs. 2009 BMW 545
To start off, 2011 Audi Q7 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 BMW 545. In addition, the cost of maintenance, including insurance, on 2009 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2009 BMW 545 is equipped with a bigger engine. In terms of performance, 2009 BMW 545 (328 HP @ 6100 RPM) has 103 more horse power than 2011 Audi Q7. (225 HP @ 3750 RPM) In normal driving conditions, 2009 BMW 545 should accelerate faster than 2011 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2011 Audi Q7 weights approximately 820 kg more than 2009 BMW 545.
Because 2011 Audi Q7 is all wheel drive (AWD), it will have significant more traction and grip than 2009 BMW 545. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Audi Q7 (550 Nm @ 1750 RPM) has 100 more torque (in Nm) than 2009 BMW 545. (450 Nm @ 3600 RPM). This means 2011 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 545.
Compare all specifications:
| 2011 Audi Q7 | 2009 BMW 545 | |
| Make | Audi | BMW |
| Model | Q7 | 545 |
| Year Released | 2011 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3000 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 225 HP | 328 HP |
| Engine RPM | 3750 RPM | 6100 RPM |
| Torque | 550 Nm | 450 Nm |
| Torque RPM | 1750 RPM | 3600 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | AWD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2525 kg | 1705 kg |
| Vehicle Length | 5088 mm | 4850 mm |
| Vehicle Width | 1984 mm | 1850 mm |
| Vehicle Height | 1737 mm | 1470 mm |
| Wheelbase Size | 3002 mm | 2890 mm |
| Fuel Tank Capacity | 100 L | 70 L |
