2009 Audi Q7 vs. 2007 Infiniti QX56
To start off, 2009 Audi Q7 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2007 Infiniti QX56 would be higher. At 5,552 cc (8 cylinders), 2007 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (345 HP @ 6800 RPM) has 25 more horse power than 2007 Infiniti QX56. (320 HP @ 4900 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2007 Infiniti QX56.
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 Infiniti QX56 (533 Nm @ 3600 RPM) has 93 more torque (in Nm) than 2009 Audi Q7. (440 Nm @ 3500 RPM). This means 2007 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi Q7.
Compare all specifications:
| 2009 Audi Q7 | 2007 Infiniti QX56 | |
| Make | Audi | Infiniti |
| Model | Q7 | QX56 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5552 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 345 HP | 320 HP |
| Engine RPM | 6800 RPM | 4900 RPM |
| Torque | 440 Nm | 533 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 5090 mm | 5260 mm |
| Vehicle Width | 1990 mm | 2010 mm |
| Vehicle Height | 1740 mm | 1980 mm |
| Wheelbase Size | 3010 mm | 3140 mm |
| Fuel Consumption Overall | 13.6 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 100 L | 106 L |
