2006 Kia Optima vs. 2007 Nissan Hardbody
To start off, 2007 Nissan Hardbody 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 2,388 cc (4 cylinders), 2007 Nissan Hardbody is equipped with a bigger engine. In terms of performance, 2007 Nissan Hardbody (148 HP @ 5600 RPM) has 10 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM) In normal driving conditions, 2007 Nissan Hardbody should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 Kia Optima weights approximately 375 kg more than 2007 Nissan Hardbody.
Because 2007 Nissan Hardbody 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 Hardbody 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 Hardbody (208 Nm @ 3600 RPM) has 9 more torque (in Nm) than 2006 Kia Optima. (199 Nm @ 3000 RPM). This means 2007 Nissan Hardbody 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 Hardbody | |
| Make | Kia | Nissan |
| Model | Optima | Hardbody |
| Year Released | 2006 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 2388 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 148 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 199 Nm | 208 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Engine Compression Ratio | 10.0:1 | 9.2:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2004 kg | 1629 kg |
| Vehicle Length | 4730 mm | 4910 mm |
| Vehicle Width | 1820 mm | 1830 mm |
| Vehicle Height | 1420 mm | 1680 mm |
| Wheelbase Size | 2710 mm | 2960 mm |
| Fuel Consumption Overall | 9.4 L/100km | 13.9 L/100km |
| Fuel Tank Capacity | 65 L | 90 L |
