2005 Infiniti M vs. 2009 Infiniti M
To start off, 2009 Infiniti M is newer by 4 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 2009 Infiniti M are equipped with a 3,498 cc engine. In terms of performance, 2009 Infiniti M (303 HP @ 6800 RPM) has 27 more horse power than 2005 Infiniti M. (276 HP @ 6200 RPM) In normal driving conditions, 2009 Infiniti M should accelerate faster than 2005 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti M weights approximately 93 kg more than 2009 Infiniti M.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 (366 Nm @ 4800 RPM) has 11 more torque (in Nm) than 2009 Infiniti M. (355 Nm @ 4800 RPM). This means 2005 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti M.
Compare all specifications:
| 2005 Infiniti M | 2009 Infiniti M | |
| Make | Infiniti | Infiniti |
| Model | M | M |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 303 HP |
| Engine RPM | 6200 RPM | 6800 RPM |
| Torque | 366 Nm | 355 Nm |
| Torque RPM | 4800 RPM | 4800 RPM |
| Engine Bore Size | 96.1 mm | 95.5 mm |
| Engine Stroke Size | 81 mm | 81.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1722 kg |
| Vehicle Length | 4900 mm | 4940 mm |
| Vehicle Width | 1800 mm | 1810 mm |
| Vehicle Height | 1520 mm | 1530 mm |
| Wheelbase Size | 2880 mm | 2910 mm |
| Fuel Tank Capacity | 75 L | 76 L |
