2005 Audi A8 vs. 2007 Audi Q7
To start off, 2007 Audi Q7 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 4,163 cc (8 cylinders), 2007 Audi Q7 is equipped with a bigger engine. In terms of performance, 2007 Audi Q7 (346 HP @ 6800 RPM) has 75 more horse power than 2005 Audi A8. (271 HP @ 3750 RPM) In normal driving conditions, 2007 Audi Q7 should accelerate faster than 2005 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi Q7 weights approximately 525 kg more than 2005 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, 2005 Audi A8 (650 Nm @ 1800 RPM) has 210 more torque (in Nm) than 2007 Audi Q7. (440 Nm @ 3500 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi Q7.
Compare all specifications:
| 2005 Audi A8 | 2007 Audi Q7 | |
| Make | Audi | Audi |
| Model | A8 | Q7 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 346 HP |
| Engine RPM | 3750 RPM | 6800 RPM |
| Torque | 650 Nm | 440 Nm |
| Torque RPM | 1800 RPM | 3500 RPM |
| Engine Compression Ratio | 18.0:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 245 km/hour | 244 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 7.4 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1770 kg | 2295 kg |
| Vehicle Width | 1900 mm | 1990 mm |
| Vehicle Height | 1460 mm | 1740 mm |
| Wheelbase Size | 3080 mm | 3010 mm |
| Fuel Consumption Overall | 9.6 L/100km | 13.6 L/100km |
| Fuel Tank Capacity | 90 L | 100 L |
