2001 Infiniti QX4 vs. 2002 Infiniti Q45
To start off, 2002 Infiniti Q45 is newer by 1 year(s). Which means there will be less support and parts availability for 2001 Infiniti QX4. In addition, the cost of maintenance, including insurance, on 2001 Infiniti QX4 would be higher. At 4,493 cc (8 cylinders), 2002 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2002 Infiniti Q45 (288 HP @ 6000 RPM) has 50 more horse power than 2001 Infiniti QX4. (238 HP @ 6000 RPM) In normal driving conditions, 2002 Infiniti Q45 should accelerate faster than 2001 Infiniti QX4. With that said, vehicle weight also plays an important factor in acceleration. 2001 Infiniti QX4 weights approximately 190 kg more than 2002 Infiniti Q45.
Because 2001 Infiniti QX4 is four wheel drive (4WD), it will have significant more traction and grip than 2002 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2001 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, 2002 Infiniti Q45 (396 Nm @ 4000 RPM) has 37 more torque (in Nm) than 2001 Infiniti QX4. (359 Nm @ 3200 RPM). This means 2002 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2001 Infiniti QX4.
Compare all specifications:
| 2001 Infiniti QX4 | 2002 Infiniti Q45 | |
| Make | Infiniti | Infiniti |
| Model | QX4 | Q45 |
| Year Released | 2001 | 2002 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3497 cc | 4493 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 288 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 359 Nm | 396 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1960 kg | 1770 kg |
| Vehicle Length | 5080 mm | 5080 mm |
| Vehicle Width | 1830 mm | 1850 mm |
| Vehicle Height | 1500 mm | 1500 mm |
| Wheelbase Size | 2710 mm | 2880 mm |
| Fuel Tank Capacity | 60 L | 60 L |
