2009 Audi Q7 vs. 2013 Infiniti QX
To start off, 2013 Infiniti QX is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Audi Q7. In addition, the cost of maintenance, including insurance, on 2009 Audi Q7 would be higher. At 5,552 cc (4 cylinders), 2013 Infiniti QX is equipped with a bigger engine. In terms of performance, 2013 Infiniti QX (395 HP @ 5800 RPM) has 50 more horse power than 2009 Audi Q7. (345 HP @ 6800 RPM) In normal driving conditions, 2013 Infiniti QX should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti QX weights approximately 412 kg more than 2009 Audi Q7. 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, 2013 Infiniti QX (560 Nm @ 4000 RPM) has 120 more torque (in Nm) than 2009 Audi Q7. (440 Nm @ 3500 RPM). This means 2013 Infiniti QX will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi Q7. 2009 Audi Q7 has automatic transmission and 2013 Infiniti QX has manual transmission. 2013 Infiniti QX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi Q7 | 2013 Infiniti QX | |
| Make | Audi | Infiniti |
| Model | Q7 | QX |
| Year Released | 2009 | 2013 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5552 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | electric |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 345 HP | 395 HP |
| Engine RPM | 6800 RPM | 5800 RPM |
| Torque | 440 Nm | 560 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 98 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Diesel / Electric Hybrid |
| Acceleration 0-100mph | 7.4 seconds | 7.5 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | 6-speed manual |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2244 kg | 2656 kg |
| Vehicle Length | 5090 mm | 5290 mm |
| Vehicle Width | 1990 mm | 2030 mm |
| Vehicle Height | 1740 mm | 1925 mm |
| Wheelbase Size | 3010 mm | 3075 mm |
