2002 Infiniti QX4 vs. 2005 Infiniti M
To start off, 2005 Infiniti M is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Infiniti QX4. In addition, the cost of maintenance, including insurance, on 2002 Infiniti QX4 would be higher. At 4,494 cc (8 cylinders), 2005 Infiniti M is equipped with a bigger engine. In terms of performance, 2005 Infiniti M (335 HP @ 6400 RPM) has 97 more horse power than 2002 Infiniti QX4. (238 HP @ 6000 RPM) In normal driving conditions, 2005 Infiniti M should accelerate faster than 2002 Infiniti QX4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Infiniti QX4 weights approximately 220 kg more than 2005 Infiniti M.
Because 2002 Infiniti QX4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Infiniti M. In wet, icy, snow, or gravel driving conditions, 2002 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 M (453 Nm @ 4000 RPM) has 94 more torque (in Nm) than 2002 Infiniti QX4. (359 Nm @ 3200 RPM). This means 2005 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2002 Infiniti QX4.
Compare all specifications:
| 2002 Infiniti QX4 | 2005 Infiniti M | |
| Make | Infiniti | Infiniti |
| Model | QX4 | M |
| Year Released | 2002 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 4494 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 335 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 359 Nm | 453 Nm |
| Torque RPM | 3200 RPM | 4000 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 | 4 doors |
| Vehicle Weight | 1960 kg | 1740 kg |
| Vehicle Length | 4660 mm | 5020 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1800 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2810 mm |
