2009 Audi Q7 vs. 2008 Audi A8
To start off, 2009 Audi Q7 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A8. In addition, the cost of maintenance, including insurance, on 2008 Audi A8 would be higher. At 4,133 cc (8 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (322 HP @ 3750 RPM) has 92 more horse power than 2008 Audi A8. (230 HP @ 4000 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2008 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 590 kg more than 2008 Audi A8. 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 @ 2500 RPM) has 310 more torque (in Nm) than 2008 Audi A8. (450 Nm @ 1400 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A8.
Compare all specifications:
| 2009 Audi Q7 | 2008 Audi A8 | |
| Make | Audi | Audi |
| Model | Q7 | A8 |
| Year Released | 2009 | 2008 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4133 cc | 2967 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 230 HP |
| Engine RPM | 3750 RPM | 4000 RPM |
| Torque | 760 Nm | 450 Nm |
| Torque RPM | 2500 RPM | 1400 RPM |
| Engine Compression Ratio | 16.5:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 236 km/hour | 238 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 7.9 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2420 kg | 1830 kg |
| Vehicle Length | 5090 mm | 5190 mm |
| Vehicle Width | 2090 mm | 1900 mm |
| Vehicle Height | 1780 mm | 1450 mm |
| Wheelbase Size | 3010 mm | 3080 mm |
| Fuel Consumption Overall | 11.1 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 100 L | 90 L |
