2009 Audi Q7 vs. 2007 Audi A8
To start off, 2009 Audi Q7 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 3,597 cc (6 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (276 HP) has 20 more horse power than 2007 Audi A8. (256 HP). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2007 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 360 kg more than 2007 Audi A8. 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 2007 Audi A8. 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 (360 Nm @ 2500 RPM) has 30 more torque (in Nm) than 2007 Audi A8. (330 Nm @ 3250 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A8.
Compare all specifications:
| 2009 Audi Q7 | 2007 Audi A8 | |
| Make | Audi | Audi |
| Model | Q7 | A8 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3597 cc | 3123 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 276 HP | 256 HP |
| Torque | 360 Nm | 330 Nm |
| Torque RPM | 2500 RPM | 3250 RPM |
| Engine Compression Ratio | 11.0:1 | 13.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 220 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2240 kg | 1880 kg |
| Vehicle Length | 5090 mm | 5060 mm |
| Vehicle Width | 1990 mm | 1900 mm |
| Vehicle Height | 1740 mm | 1450 mm |
| Wheelbase Size | 3010 mm | 2950 mm |
| Fuel Consumption Overall | 14.8 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 100 L | 90 L |
