2009 Audi Q7 vs. 2005 BMW 545
To start off, 2009 Audi Q7 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 545. In addition, the cost of maintenance, including insurance, on 2005 BMW 545 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 545 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (350 HP @ 6800 RPM) has 24 more horse power than 2005 BMW 545. (326 HP @ 6100 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2005 BMW 545.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 545. 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, 2005 BMW 545 (450 Nm @ 3600 RPM) has 9 more torque (in Nm) than 2009 Audi Q7. (441 Nm @ 3500 RPM). This means 2005 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi Q7.
Compare all specifications:
| 2009 Audi Q7 | 2005 BMW 545 | |
| Make | Audi | BMW |
| Model | Q7 | 545 |
| Year Released | 2009 | 2005 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4390 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 326 HP |
| Engine RPM | 6800 RPM | 6100 RPM |
| Torque | 441 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Compression Ratio | 12.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 5090 mm | 4850 mm |
| Vehicle Width | 1990 mm | 1850 mm |
| Vehicle Height | 1740 mm | 1500 mm |
| Wheelbase Size | 3010 mm | 2840 mm |
| Fuel Consumption Overall | 15.7 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 100 L | 70 L |
