1990 Infiniti Q45 vs. 2006 Infiniti FX
To start off, 2006 Infiniti FX is newer by 16 year(s). Which means there will be less support and parts availability for 1990 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1990 Infiniti Q45 would be higher. At 4,493 cc (8 cylinders), 1990 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2006 Infiniti FX (280 HP @ 6200 RPM) has 3 more horse power than 1990 Infiniti Q45. (277 HP @ 6000 RPM) In normal driving conditions, 2006 Infiniti FX should accelerate faster than 1990 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 1990 Infiniti Q45 weights approximately 430 kg more than 2006 Infiniti FX.
Because 2006 Infiniti FX is four wheel drive (4WD), it will have significant more traction and grip than 1990 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2006 Infiniti FX 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, 1990 Infiniti Q45 (396 Nm @ 4000 RPM) has 29 more torque (in Nm) than 2006 Infiniti FX. (367 Nm @ 4800 RPM). This means 1990 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2006 Infiniti FX.
Compare all specifications:
| 1990 Infiniti Q45 | 2006 Infiniti FX | |
| Make | Infiniti | Infiniti |
| Model | Q45 | FX |
| Year Released | 1990 | 2006 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4493 cc | 3491 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 277 HP | 280 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 396 Nm | 367 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Engine Bore Size | 93 mm | 95.5 mm |
| Engine Stroke Size | 82.7 mm | 81.4 mm |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1750 kg | 1320 kg |
| Vehicle Length | 5080 mm | 4810 mm |
| Vehicle Width | 1830 mm | 1930 mm |
| Vehicle Height | 1440 mm | 1660 mm |
| Wheelbase Size | 2890 mm | 2860 mm |
| Fuel Tank Capacity | 72 L | 90 L |
