1992 Infiniti Q45 vs. 2003 Infiniti QX4
To start off, 2003 Infiniti QX4 is newer by 11 year(s). Which means there will be less support and parts availability for 1992 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1992 Infiniti Q45 would be higher. At 4,494 cc (8 cylinders), 1992 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 1992 Infiniti Q45 (277 HP @ 6000 RPM) has 39 more horse power than 2003 Infiniti QX4. (238 HP @ 6000 RPM). In normal driving conditions, 1992 Infiniti Q45 should accelerate faster than 2003 Infiniti QX4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti QX4 weights approximately 210 kg more than 1992 Infiniti Q45.
Because 2003 Infiniti QX4 is four wheel drive (4WD), it will have significant more traction and grip than 1992 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2003 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, 1992 Infiniti Q45 (396 Nm @ 4000 RPM) has 37 more torque (in Nm) than 2003 Infiniti QX4. (359 Nm @ 3200 RPM). This means 1992 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2003 Infiniti QX4.
Compare all specifications:
| 1992 Infiniti Q45 | 2003 Infiniti QX4 | |
| Make | Infiniti | Infiniti |
| Model | Q45 | QX4 |
| Year Released | 1992 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 277 HP | 238 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 396 Nm | 359 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1750 kg | 1960 kg |
| Vehicle Length | 5080 mm | 4660 mm |
| Vehicle Width | 1830 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1800 mm |
| Wheelbase Size | 2890 mm | 2710 mm |
