2005 Kia Optima vs. 2010 Kia Sorento
To start off, 2010 Kia Sorento is newer by 5 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 3,295 cc (6 cylinders), 2010 Kia Sorento is equipped with a bigger engine. In terms of performance, 2010 Kia Sorento (238 HP @ 6000 RPM) has 68 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM) In normal driving conditions, 2010 Kia Sorento should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2010 Kia Sorento weights approximately 499 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 2010 Kia Sorento 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, 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 (307 Nm) has 66 more torque (in Nm) than 2005 Kia Optima. (241 Nm). This means 2010 Kia Sorento will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2005 Kia Optima | 2010 Kia Sorento | |
| Make | Kia | Kia |
| Model | Optima | Sorento |
| Year Released | 2005 | 2010 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 3295 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 238 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 241 Nm | 307 Nm |
| Engine Bore Size | 87 mm | 92 mm |
| Engine Stroke Size | 75 mm | 83.8 mm |
| Engine Compression Ratio | 10.0:1 | 10.4:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1487 kg | 1986 kg |
| Vehicle Length | 4730 mm | 4600 mm |
| Vehicle Width | 1820 mm | 1890 mm |
| Vehicle Height | 1420 mm | 1730 mm |
| Wheelbase Size | 2710 mm | 2720 mm |
| Fuel Consumption | 8.9 L/100km | 10.7 L/100km |
| Fuel Consumption City | 11.9 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 10.4 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 65 L | 80 L |
