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 4,163 cc (8 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (350 HP @ 6800 RPM) has 120 more horse power than 2007 Audi A8. (230 HP @ 4000 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2007 Audi A8.
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, 2007 Audi A8 (450 Nm @ 1400 RPM) has 9 more torque (in Nm) than 2009 Audi Q7. (441 Nm @ 3500 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi Q7.
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 | 4163 cc | 2967 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 230 HP |
| Engine RPM | 6800 RPM | 4000 RPM |
| Torque | 441 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 1400 RPM |
| Engine Compression Ratio | 12.5:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 5090 mm | 5060 mm |
| Vehicle Width | 1990 mm | 1900 mm |
| Vehicle Height | 1740 mm | 1450 mm |
| Wheelbase Size | 3010 mm | 3080 mm |
| Fuel Consumption Overall | 15.7 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 100 L | 90 L |
