2006 Infiniti QX4 vs. 2011 Audi A8
To start off, 2011 Audi A8 is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Infiniti QX4. In addition, the cost of maintenance, including insurance, on 2006 Infiniti QX4 would be higher. At 5,552 cc (8 cylinders), 2006 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 2011 Audi A8 (372 HP @ 6800 RPM) has 57 more horse power than 2006 Infiniti QX4. (315 HP @ 4900 RPM) In normal driving conditions, 2011 Audi A8 should accelerate faster than 2006 Infiniti QX4. With that said, vehicle weight also plays an important factor in acceleration. 2011 Audi A8 weights approximately 680 kg more than 2006 Infiniti QX4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 Infiniti QX4 (530 Nm @ 3600 RPM) has 86 more torque (in Nm) than 2011 Audi A8. (444 Nm @ 3500 RPM). This means 2006 Infiniti QX4 will have an easier job in driving up hills or pulling heavy equipment than 2011 Audi A8.
Compare all specifications:
| 2006 Infiniti QX4 | 2011 Audi A8 | |
| Make | Infiniti | Audi |
| Model | QX4 | A8 |
| Year Released | 2006 | 2011 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5552 cc | 4200 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 315 HP | 372 HP |
| Engine RPM | 4900 RPM | 6800 RPM |
| Torque | 530 Nm | 444 Nm |
| Torque RPM | 3600 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1320 kg | 2000 kg |
| Vehicle Length | 5260 mm | 5136 mm |
| Vehicle Width | 2010 mm | 1948 mm |
| Vehicle Height | 1960 mm | 1461 mm |
| Wheelbase Size | 3140 mm | 2992 mm |
| Fuel Consumption Highway | 12.4 L/100km | 8.7 L/100km |
| Fuel Consumption City | 18.1 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 60 L | 90 L |
