1998 Infiniti Q45 vs. 2004 Infiniti QX56
To start off, 2004 Infiniti QX56 is newer by 6 year(s). Which means there will be less support and parts availability for 1998 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1998 Infiniti Q45 would be higher. At 5,556 cc (8 cylinders), 2004 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2004 Infiniti QX56 (315 HP) has 50 more horse power than 1998 Infiniti Q45. (265 HP) In normal driving conditions, 2004 Infiniti QX56 should accelerate faster than 1998 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2004 Infiniti QX56 weights approximately 671 kg more than 1998 Infiniti Q45. 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, 2004 Infiniti QX56 (529 Nm) has 151 more torque (in Nm) than 1998 Infiniti Q45. (378 Nm). This means 2004 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1998 Infiniti Q45.
Compare all specifications:
| 1998 Infiniti Q45 | 2004 Infiniti QX56 | |
| Make | Infiniti | Infiniti |
| Model | Q45 | QX56 |
| Year Released | 1998 | 2004 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4130 cc | 5556 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 315 HP |
| Torque | 378 Nm | 529 Nm |
| Engine Bore Size | 93.1 mm | 98 mm |
| Engine Stroke Size | 76 mm | 92 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1760 kg | 2431 kg |
| Vehicle Length | 5070 mm | 5260 mm |
| Vehicle Width | 1830 mm | 2010 mm |
| Vehicle Height | 1450 mm | 1980 mm |
| Wheelbase Size | 2840 mm | 3140 mm |
| Fuel Tank Capacity | 60 L | 106 L |
