2008 Kia Opirus vs. 2012 Infiniti FX
To start off, 2012 Infiniti FX is newer by 4 year(s). Which means there will be less support and parts availability for 2008 Kia Opirus. In addition, the cost of maintenance, including insurance, on 2008 Kia Opirus would be higher. At 3,500 cc (6 cylinders), 2012 Infiniti FX is equipped with a bigger engine. In terms of performance, 2012 Infiniti FX (303 HP @ 6800 RPM) has 103 more horse power than 2008 Kia Opirus. (200 HP @ 5500 RPM) In normal driving conditions, 2012 Infiniti FX should accelerate faster than 2008 Kia Opirus. With that said, vehicle weight also plays an important factor in acceleration. 2012 Infiniti FX weights approximately 46 kg more than 2008 Kia Opirus. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Infiniti FX is all wheel drive (AWD), it will have significant more traction and grip than 2008 Kia Opirus. In wet, icy, snow, or gravel driving conditions, 2012 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, 2012 Infiniti FX (355 Nm @ 4800 RPM) has 57 more torque (in Nm) than 2008 Kia Opirus. (298 Nm @ 3500 RPM). This means 2012 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2008 Kia Opirus.
Compare all specifications:
| 2008 Kia Opirus | 2012 Infiniti FX | |
| Make | Kia | Infiniti |
| Model | Opirus | FX |
| Year Released | 2008 | 2012 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 3497 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 303 HP |
| Engine RPM | 5500 RPM | 6800 RPM |
| Torque | 298 Nm | 355 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1897 kg | 1943 kg |
| Vehicle Length | 4990 mm | 4865 mm |
| Vehicle Width | 1860 mm | 1925 mm |
| Vehicle Height | 1490 mm | 1680 mm |
| Wheelbase Size | 2810 mm | 2885 mm |
| Fuel Tank Capacity | 70 L | 90 L |
