2006 Kia Optima vs. 2007 Nissan Pathfinder
To start off, 2007 Nissan Pathfinder is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Kia Optima. In addition, the cost of maintenance, including insurance, on 2006 Kia Optima would be higher. At 2,488 cc (4 cylinders), 2007 Nissan Pathfinder is equipped with a bigger engine. In terms of performance, 2007 Nissan Pathfinder (172 HP @ 4000 RPM) has 34 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM) In normal driving conditions, 2007 Nissan Pathfinder should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2007 Nissan Pathfinder weights approximately 236 kg more than 2006 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Nissan Pathfinder is four wheel drive (4WD), it will have significant more traction and grip than 2006 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2007 Nissan Pathfinder 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, 2007 Nissan Pathfinder (403 Nm @ 2000 RPM) has 204 more torque (in Nm) than 2006 Kia Optima. (199 Nm @ 3000 RPM). This means 2007 Nissan Pathfinder will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2006 Kia Optima | 2007 Nissan Pathfinder | |
| Make | Kia | Nissan |
| Model | Optima | Pathfinder |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | SUV |
| 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 | 5500 RPM | 4000 RPM |
| Torque | 199 Nm | 403 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Engine Bore Size | 81 mm | 89.1 mm |
| Engine Stroke Size | 88 mm | 100 mm |
| Engine Compression Ratio | 10.0:1 | 16.5:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2004 kg | 2240 kg |
| Vehicle Length | 4730 mm | 4750 mm |
| Vehicle Width | 1820 mm | 1870 mm |
| Vehicle Height | 1420 mm | 1860 mm |
| Wheelbase Size | 2710 mm | 2860 mm |
| Fuel Consumption Overall | 9.4 L/100km | 9 L/100km |
| Fuel Tank Capacity | 65 L | 80 L |
