1999 Infiniti Q45 vs. 2007 Infiniti M
To start off, 2007 Infiniti M is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1999 Infiniti Q45 would be higher. At 4,128 cc (8 cylinders), 1999 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2007 Infiniti M (275 HP @ 6200 RPM) has 10 more horse power than 1999 Infiniti Q45. (265 HP @ 5600 RPM) In normal driving conditions, 2007 Infiniti M should accelerate faster than 1999 Infiniti Q45.
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, 1999 Infiniti Q45 (378 Nm @ 4000 RPM) has 15 more torque (in Nm) than 2007 Infiniti M. (363 Nm @ 4800 RPM). This means 1999 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2007 Infiniti M.
Compare all specifications:
| 1999 Infiniti Q45 | 2007 Infiniti M | |
| Make | Infiniti | Infiniti |
| Model | Q45 | M |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4128 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 275 HP |
| Engine RPM | 5600 RPM | 6200 RPM |
| Torque | 378 Nm | 363 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Fuel Type | Gasoline | Diesel |
| 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 | 1830 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1520 mm |
| Wheelbase Size | 2840 mm | 2910 mm |
| Fuel Tank Capacity | 60 L | 76 L |
