2007 Infiniti M vs. 2009 Infiniti M
To start off, 2009 Infiniti M is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Infiniti M. In addition, the cost of maintenance, including insurance, on 2007 Infiniti M would be higher. Both 2007 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 2007 Infiniti M. (276 HP @ 6200 RPM) In normal driving conditions, 2009 Infiniti M should accelerate faster than 2007 Infiniti M.
Because 2009 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2007 Infiniti M. In wet, icy, snow, or gravel driving conditions, 2009 Infiniti M 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, 2007 Infiniti M (363 Nm @ 4800 RPM) has 8 more torque (in Nm) than 2009 Infiniti M. (355 Nm @ 4800 RPM). This means 2007 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti M.
Compare all specifications:
| 2007 Infiniti M | 2009 Infiniti M | |
| Make | Infiniti | Infiniti |
| Model | M | M |
| Year Released | 2007 | 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 | 363 Nm | 355 Nm |
| Torque RPM | 4800 RPM | 4800 RPM |
| Engine Bore Size | 95.5 mm | 95.5 mm |
| Engine Stroke Size | 81.4 mm | 81.4 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4900 mm | 4940 mm |
| Vehicle Width | 1800 mm | 1810 mm |
| Vehicle Height | 1520 mm | 1530 mm |
| Wheelbase Size | 2910 mm | 2910 mm |
| Fuel Consumption | 9.4 L/100km | 10.7 L/100km |
| Fuel Consumption City | 13.1 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 76 L | 76 L |
