1999 Infiniti QX4 vs. 2005 Infiniti FX
To start off, 2005 Infiniti FX 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. Both 1999 Infiniti QX4 and 2005 Infiniti FX are equipped with a 3,498 cc engine. In terms of performance, 2005 Infiniti FX (276 HP @ 6200 RPM) has 38 more horse power than 1999 Infiniti QX4. (238 HP @ 6000 RPM) In normal driving conditions, 2005 Infiniti FX should accelerate faster than 1999 Infiniti QX4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Infiniti QX4 weights approximately 122 kg more than 2005 Infiniti FX.
Because 1999 Infiniti QX4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Infiniti FX. 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 FX (366 Nm @ 4800 RPM) has 7 more torque (in Nm) than 1999 Infiniti QX4. (359 Nm @ 3200 RPM). This means 2005 Infiniti FX 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 FX | |
| Make | Infiniti | Infiniti |
| Model | QX4 | FX |
| Year Released | 1999 | 2005 |
| Body Type | SUV | Crossover |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 276 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 359 Nm | 366 Nm |
| Torque RPM | 3200 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1962 kg | 1840 kg |
| Vehicle Length | 4660 mm | 4810 mm |
| Vehicle Width | 1850 mm | 1930 mm |
| Vehicle Height | 1800 mm | 1660 mm |
| Wheelbase Size | 2710 mm | 2860 mm |
