2009 Kia Opirus vs. 2010 Infiniti FX
To start off, 2010 Infiniti FX is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Kia Opirus. In addition, the cost of maintenance, including insurance, on 2009 Kia Opirus would be higher. At 5,019 cc (8 cylinders), 2010 Infiniti FX is equipped with a bigger engine. In terms of performance, 2010 Infiniti FX (390 HP @ 6500 RPM) has 190 more horse power than 2009 Kia Opirus. (200 HP @ 5500 RPM) In normal driving conditions, 2010 Infiniti FX should accelerate faster than 2009 Kia Opirus.
Because 2010 Infiniti FX is four wheel drive (4WD), it will have significant more traction and grip than 2009 Kia Opirus. In wet, icy, snow, or gravel driving conditions, 2010 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, 2010 Infiniti FX (501 Nm @ 4400 RPM) has 203 more torque (in Nm) than 2009 Kia Opirus. (298 Nm @ 3500 RPM). This means 2010 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2009 Kia Opirus.
Compare all specifications:
| 2009 Kia Opirus | 2010 Infiniti FX | |
| Make | Kia | Infiniti |
| Model | Opirus | FX |
| Year Released | 2009 | 2010 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 3497 cc | 5019 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 390 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 298 Nm | 501 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Engine Bore Size | 93.1 mm | 95.5 mm |
| Engine Stroke Size | 85.8 mm | 87.7 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4990 mm | 4870 mm |
| Vehicle Width | 1860 mm | 1930 mm |
| Vehicle Height | 1490 mm | 1690 mm |
| Wheelbase Size | 2810 mm | 2890 mm |
| Fuel Consumption Overall | 11.4 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
