1992 Infiniti J30 vs. 1999 Infiniti QX4
To start off, 1999 Infiniti QX4 is newer by 7 year(s). Which means there will be less support and parts availability for 1992 Infiniti J30. In addition, the cost of maintenance, including insurance, on 1992 Infiniti J30 would be higher. At 3,498 cc (6 cylinders), 1999 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 1999 Infiniti QX4 (238 HP @ 6000 RPM) has 28 more horse power than 1992 Infiniti J30. (210 HP @ 6400 RPM) In normal driving conditions, 1999 Infiniti QX4 should accelerate faster than 1992 Infiniti J30. With that said, vehicle weight also plays an important factor in acceleration. 1999 Infiniti QX4 weights approximately 361 kg more than 1992 Infiniti J30. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Infiniti QX4 is four wheel drive (4WD), it will have significant more traction and grip than 1992 Infiniti J30. 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, 1999 Infiniti QX4 (359 Nm @ 3200 RPM) has 98 more torque (in Nm) than 1992 Infiniti J30. (261 Nm @ 4800 RPM). This means 1999 Infiniti QX4 will have an easier job in driving up hills or pulling heavy equipment than 1992 Infiniti J30.
Compare all specifications:
| 1992 Infiniti J30 | 1999 Infiniti QX4 | |
| Make | Infiniti | Infiniti |
| Model | J30 | QX4 |
| Year Released | 1992 | 1999 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 210 HP | 238 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 261 Nm | 359 Nm |
| Torque RPM | 4800 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 | 1601 kg | 1962 kg |
| Vehicle Length | 4870 mm | 4660 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1400 mm | 1800 mm |
| Wheelbase Size | 2770 mm | 2710 mm |
