2005 Infiniti M vs. 2012 Infiniti EX
To start off, 2012 Infiniti EX is newer by 7 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. 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 38 more horse power than 2012 Infiniti EX. (297 HP @ 6800 RPM). In normal driving conditions, 2005 Infiniti M should accelerate faster than 2012 Infiniti EX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti M weights approximately 75 kg more than 2012 Infiniti EX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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 (461 Nm @ 4000 RPM) has 118 more torque (in Nm) than 2012 Infiniti EX. (343 Nm @ 4800 RPM). This means 2005 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2012 Infiniti EX.
Compare all specifications:
| 2005 Infiniti M | 2012 Infiniti EX | |
| Make | Infiniti | Infiniti |
| Model | M | EX |
| Year Released | 2005 | 2012 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 3500 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 297 HP |
| Engine RPM | 6400 RPM | 6800 RPM |
| Torque | 461 Nm | 343 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1790 kg | 1715 kg |
| Vehicle Length | 4900 mm | 4630 mm |
| Vehicle Width | 1800 mm | 1803 mm |
| Vehicle Height | 1520 mm | 1572 mm |
| Wheelbase Size | 2880 mm | 2799 mm |
| Fuel Tank Capacity | 75 L | 76 L |
