2005 Infiniti Q45 vs. 2007 Infiniti M
To start off, 2007 Infiniti M is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2005 Infiniti Q45 would be higher. At 4,490 cc (8 cylinders), 2005 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2005 Infiniti Q45 (340 HP) has 65 more horse power than 2007 Infiniti M. (275 HP). In normal driving conditions, 2005 Infiniti Q45 should accelerate faster than 2007 Infiniti M.
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 Q45 (453 Nm) has 90 more torque (in Nm) than 2007 Infiniti M. (363 Nm). This means 2005 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2007 Infiniti M.
Compare all specifications:
| 2005 Infiniti Q45 | 2007 Infiniti M | |
| Make | Infiniti | Infiniti |
| Model | Q45 | M |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4490 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 275 HP |
| Torque | 453 Nm | 363 Nm |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5080 mm | 4900 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1500 mm | 1520 mm |
| Wheelbase Size | 2880 mm | 2910 mm |
| Fuel Consumption | 9.4 L/100km | 9.4 L/100km |
| Fuel Consumption City | 13.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 81 L | 76 L |
