2001 Infiniti Q45 vs. 2008 Infiniti M
To start off, 2008 Infiniti M is newer by 7 year(s). Which means there will be less support and parts availability for 2001 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2001 Infiniti Q45 would be higher. At 4,494 cc (8 cylinders), 2008 Infiniti M is equipped with a bigger engine. In terms of performance, 2008 Infiniti M (325 HP @ 6400 RPM) has 60 more horse power than 2001 Infiniti Q45. (265 HP @ 5600 RPM) In normal driving conditions, 2008 Infiniti M should accelerate faster than 2001 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2001 Infiniti Q45 weights approximately 440 kg more than 2008 Infiniti M.
Because 2008 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2001 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Infiniti M (456 Nm @ 4000 RPM) has 78 more torque (in Nm) than 2001 Infiniti Q45. (378 Nm @ 4000 RPM). This means 2008 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2001 Infiniti Q45.
Compare all specifications:
| 2001 Infiniti Q45 | 2008 Infiniti M | |
| Make | Infiniti | Infiniti |
| Model | Q45 | M |
| Year Released | 2001 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4129 cc | 4494 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 325 HP |
| Engine RPM | 5600 RPM | 6400 RPM |
| Torque | 378 Nm | 456 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1320 kg |
| Vehicle Length | 5070 mm | 4900 mm |
| Vehicle Width | 1830 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1530 mm |
| Wheelbase Size | 2840 mm | 2910 mm |
| Fuel Tank Capacity | 60 L | 76 L |
