2009 Audi Q7 vs. 2005 Audi A6
To start off, 2009 Audi Q7 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 4,172 cc (8 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (322 HP @ 3750 RPM) has 26 more horse power than 2005 Audi A6. (296 HP @ 6200 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 605 kg more than 2005 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 (760 Nm @ 1800 RPM) has 350 more torque (in Nm) than 2005 Audi A6. (410 Nm @ 3000 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2009 Audi Q7 | 2005 Audi A6 | |
| Make | Audi | Audi |
| Model | Q7 | A6 |
| Year Released | 2009 | 2005 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4132 cc | 4172 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 322 HP | 296 HP |
| Engine RPM | 3750 RPM | 6200 RPM |
| Torque | 760 Nm | 410 Nm |
| Torque RPM | 1800 RPM | 3000 RPM |
| Engine Bore Size | 83 mm | 84.5 mm |
| Engine Stroke Size | 95.5 mm | 93 mm |
| Engine Compression Ratio | 16.5:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 236 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 7.1 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2420 kg | 1815 kg |
| Vehicle Length | 5090 mm | 4840 mm |
| Vehicle Width | 1990 mm | 1860 mm |
| Vehicle Height | 1780 mm | 1460 mm |
| Wheelbase Size | 3010 mm | 2470 mm |
| Fuel Consumption Overall | 11.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 100 L | 82 L |
