2006 Kia Optima vs. 2010 Kia Sorento
To start off, 2010 Kia Sorento is newer by 4 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 3,778 cc (6 cylinders), 2010 Kia Sorento is equipped with a bigger engine. In terms of performance, 2010 Kia Sorento (265 HP @ 6000 RPM) has 127 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM) In normal driving conditions, 2010 Kia Sorento should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 Kia Optima weights approximately 719 kg more than 2010 Kia Sorento.
Because 2010 Kia Sorento 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, 2010 Kia Sorento 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 Kia Sorento (360 Nm @ 4500 RPM) has 161 more torque (in Nm) than 2006 Kia Optima. (199 Nm @ 3000 RPM). This means 2010 Kia Sorento will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2006 Kia Optima | 2010 Kia Sorento | |
| Make | Kia | Kia |
| Model | Optima | Sorento |
| Year Released | 2006 | 2010 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 3778 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 265 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 199 Nm | 360 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2004 kg | 1285 kg |
| Vehicle Length | 4730 mm | 4600 mm |
| Vehicle Width | 1820 mm | 1740 mm |
| Vehicle Height | 1420 mm | 1870 mm |
| Wheelbase Size | 2710 mm | 2720 mm |
| Fuel Consumption Overall | 9.4 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 65 L | 80 L |
