1999 Infiniti QX4 vs. 2005 Infiniti Q45
To start off, 2005 Infiniti Q45 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Infiniti QX4. In addition, the cost of maintenance, including insurance, on 1999 Infiniti QX4 would be higher. At 4,490 cc (8 cylinders), 2005 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2005 Infiniti Q45 (340 HP) has 102 more horse power than 1999 Infiniti QX4. (238 HP) In normal driving conditions, 2005 Infiniti Q45 should accelerate faster than 1999 Infiniti QX4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Infiniti QX4 weights approximately 125 kg more than 2005 Infiniti Q45.
Because 1999 Infiniti QX4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 1999 Infiniti QX4 will offer significantly more control. 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 Infiniti Q45 (453 Nm) has 94 more torque (in Nm) than 1999 Infiniti QX4. (359 Nm). This means 2005 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 1999 Infiniti QX4.
Compare all specifications:
| 1999 Infiniti QX4 | 2005 Infiniti Q45 | |
| Make | Infiniti | Infiniti |
| Model | QX4 | Q45 |
| Year Released | 1999 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 4490 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 340 HP |
| Torque | 359 Nm | 453 Nm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1962 kg | 1837 kg |
| Vehicle Length | 4660 mm | 5080 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1800 mm | 1500 mm |
| Wheelbase Size | 2710 mm | 2880 mm |
