2009 Audi Q7 vs. 2005 BMW 745
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 745. In addition, the cost of maintenance, including insurance, on 2005 BMW 745 would be higher. At 5,934 cc (12 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (494 HP @ 3750 RPM) has 169 more horse power than 2005 BMW 745. (325 HP @ 6000 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2005 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 595 kg more than 2005 BMW 745. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 745. 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 (1,000 Nm @ 1750 RPM) has 550 more torque (in Nm) than 2005 BMW 745. (450 Nm @ 3600 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 745.
Compare all specifications:
| 2009 Audi Q7 | 2005 BMW 745 | |
| Make | Audi | BMW |
| Model | Q7 | 745 |
| Year Released | 2009 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5934 cc | 4398 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 494 HP | 325 HP |
| Engine RPM | 3750 RPM | 6000 RPM |
| Torque | 1000 Nm | 450 Nm |
| Torque RPM | 1750 RPM | 3600 RPM |
| Engine Bore Size | 83 mm | 92.1 mm |
| Engine Stroke Size | 91.4 mm | 82.7 mm |
| Engine Compression Ratio | 16.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 5.5 seconds | 6.6 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2605 kg | 2010 kg |
| Wheelbase Size | 3010 mm | 3000 mm |
| Fuel Consumption Overall | 11.3 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 100 L | 88 L |
