2005 Infiniti M vs. 2002 Infiniti Q45
To start off, 2005 Infiniti M is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2002 Infiniti Q45 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 47 more horse power than 2002 Infiniti Q45. (288 HP @ 6000 RPM). In normal driving conditions, 2005 Infiniti M should accelerate faster than 2002 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2002 Infiniti Q45 weights approximately 30 kg more than 2005 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 M (453 Nm @ 4000 RPM) has 57 more torque (in Nm) than 2002 Infiniti Q45. (396 Nm @ 4000 RPM). This means 2005 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2002 Infiniti Q45.
Compare all specifications:
| 2005 Infiniti M | 2002 Infiniti Q45 | |
| Make | Infiniti | Infiniti |
| Model | M | Q45 |
| Year Released | 2005 | 2002 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 4493 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 288 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 453 Nm | 396 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 93 mm |
| Engine Stroke Size | 82.7 mm | 82.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1740 kg | 1770 kg |
| Vehicle Length | 5020 mm | 5080 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2810 mm | 2880 mm |
| Fuel Tank Capacity | 79 L | 60 L |
