2005 Infiniti M vs. 2008 Infiniti FX
To start off, 2008 Infiniti FX is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Infiniti M. In addition, the cost of maintenance, including insurance, on 2005 Infiniti M would be higher. Both 2005 Infiniti M and 2008 Infiniti FX are equipped with a 4,494 cc engine. In terms of performance, 2005 Infiniti M (335 HP @ 6400 RPM) has 15 more horse power than 2008 Infiniti FX. (320 HP @ 6000 RPM). In normal driving conditions, 2005 Infiniti M should accelerate faster than 2008 Infiniti FX.
Because 2008 Infiniti FX 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, 2008 Infiniti FX 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, 2008 Infiniti FX (454 Nm @ 4000 RPM) has 1 more torque (in Nm) than 2005 Infiniti M. (453 Nm @ 4000 RPM). This means 2008 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2005 Infiniti M.
Compare all specifications:
| 2005 Infiniti M | 2008 Infiniti FX | |
| Make | Infiniti | Infiniti |
| Model | M | FX |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 4494 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 320 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 453 Nm | 454 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 93 mm |
| Engine Stroke Size | 82.7 mm | 83 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4900 mm | 4810 mm |
| Vehicle Width | 1800 mm | 1930 mm |
| Vehicle Height | 1520 mm | 1680 mm |
| Wheelbase Size | 2910 mm | 2860 mm |
| Fuel Tank Capacity | 75 L | 90 L |
