2005 Kia Sorento vs. 2006 Kia Optima
To start off, 2006 Kia Optima is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Kia Sorento. In addition, the cost of maintenance, including insurance, on 2005 Kia Sorento would be higher. Both 2005 Kia Sorento and 2006 Kia Optima are equipped with a 2,351 cc engine. In terms of performance, 2005 Kia Sorento (139 HP @ 5500 RPM) has 1 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM). In normal driving conditions, 2005 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 56 kg more than 2005 Kia Sorento.
Because 2005 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, 2005 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, 2006 Kia Optima (199 Nm @ 3000 RPM) has 7 more torque (in Nm) than 2005 Kia Sorento. (192 Nm @ 2500 RPM). This means 2006 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Sorento.
Compare all specifications:
| 2005 Kia Sorento | 2006 Kia Optima | |
| Make | Kia | Kia |
| Model | Sorento | Optima |
| Year Released | 2005 | 2006 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2351 cc | 2351 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 139 HP | 138 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 192 Nm | 199 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Engine Bore Size | 86.5 mm | 86.5 mm |
| Engine Stroke Size | 100 mm | 100 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1944 kg | 2000 kg |
| Vehicle Length | 4570 mm | 4730 mm |
| Vehicle Width | 1870 mm | 1820 mm |
| Vehicle Height | 1820 mm | 1420 mm |
| Wheelbase Size | 2710 mm | 2710 mm |
| Fuel Consumption Overall | 10.9 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 80 L | 65 L |
