2009 Audi Q7 vs. 2005 BMW 730
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 730. In addition, the cost of maintenance, including insurance, on 2005 BMW 730 would be higher. At 4,163 cc (8 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (345 HP @ 6800 RPM) has 91 more horse power than 2005 BMW 730. (254 HP @ 6600 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2005 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 309 kg more than 2005 BMW 730. 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 730. 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 (440 Nm @ 3500 RPM) has 140 more torque (in Nm) than 2005 BMW 730. (300 Nm @ 2500 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 730.
Compare all specifications:
| 2009 Audi Q7 | 2005 BMW 730 | |
| Make | Audi | BMW |
| Model | Q7 | 730 |
| Year Released | 2009 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2977 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 345 HP | 254 HP |
| Engine RPM | 6800 RPM | 6600 RPM |
| Torque | 440 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 84.5 mm | 85 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Engine Compression Ratio | 12.5:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 244 km/hour | 244 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 7.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2244 kg | 1935 kg |
| Vehicle Length | 5090 mm | 5040 mm |
| Vehicle Width | 1990 mm | 1910 mm |
| Vehicle Height | 1740 mm | 1500 mm |
| Wheelbase Size | 3010 mm | 2840 mm |
| Fuel Consumption Overall | 13.6 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 100 L | 88 L |
