2005 Kia Optima vs. 2006 Nissan Navara
To start off, 2006 Nissan Navara is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Kia Optima. In addition, the cost of maintenance, including insurance, on 2005 Kia Optima would be higher. At 2,488 cc (4 cylinders), 2006 Nissan Navara is equipped with a bigger engine. In terms of performance, 2006 Nissan Navara (172 HP @ 4000 RPM) has 34 more horse power than 2005 Kia Optima. (138 HP @ 4000 RPM) In normal driving conditions, 2006 Nissan Navara should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 Nissan Navara weights approximately 627 kg more than 2005 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Nissan Navara is four wheel drive (4WD), it will have significant more traction and grip than 2005 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2006 Nissan Navara 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, 2006 Nissan Navara (403 Nm) has 204 more torque (in Nm) than 2005 Kia Optima. (199 Nm). This means 2006 Nissan Navara will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2005 Kia Optima | 2006 Nissan Navara | |
| Make | Kia | Nissan |
| Model | Optima | Navara |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 2488 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 172 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 199 Nm | 403 Nm |
| Engine Bore Size | 87.1 mm | 89 mm |
| Engine Stroke Size | 100 mm | 100 mm |
| Engine Compression Ratio | 10.0:1 | 16.5:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1497 kg | 2124 kg |
| Vehicle Length | 4730 mm | 5140 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1770 mm |
| Wheelbase Size | 2620 mm | 3210 mm |
| Fuel Consumption Overall | 9.4 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 65 L | 80 L |
