2009 Infiniti EX vs. 1990 Infiniti Q45
To start off, 2009 Infiniti EX is newer by 19 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, 2009 Infiniti EX (317 HP @ 7000 RPM) has 40 more horse power than 1990 Infiniti Q45. (277 HP @ 6000 RPM). In normal driving conditions, 2009 Infiniti EX should accelerate faster than 1990 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 1990 Infiniti Q45 weights approximately 31 kg more than 2009 Infiniti EX.
Because 2009 Infiniti EX 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, 2009 Infiniti EX 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 36 more torque (in Nm) than 2009 Infiniti EX. (360 Nm @ 5200 RPM). This means 1990 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti EX.
Compare all specifications:
| 2009 Infiniti EX | 1990 Infiniti Q45 | |
| Make | Infiniti | Infiniti |
| Model | EX | Q45 |
| Year Released | 2009 | 1990 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3696 cc | 4493 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 317 HP | 277 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 360 Nm | 396 Nm |
| Torque RPM | 5200 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 240 km/hour | 246 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1719 kg | 1750 kg |
| Vehicle Length | 4640 mm | 5080 mm |
| Vehicle Width | 1810 mm | 1830 mm |
| Vehicle Height | 1600 mm | 1440 mm |
| Wheelbase Size | 2810 mm | 2890 mm |
| Fuel Tank Capacity | 82 L | 72 L |
