2003 Kia Sorento vs. 2013 Kia Optima
To start off, 2013 Kia Optima is newer by 10 year(s). Which means there will be less support and parts availability for 2003 Kia Sorento. In addition, the cost of maintenance, including insurance, on 2003 Kia Sorento would be higher. At 3,489 cc (6 cylinders), 2003 Kia Sorento is equipped with a bigger engine. In terms of performance, 2013 Kia Optima (270 HP @ 6000 RPM) has 78 more horse power than 2003 Kia Sorento. (192 HP @ 5750 RPM) In normal driving conditions, 2013 Kia Optima should accelerate faster than 2003 Kia Sorento. With that said, vehicle weight also plays an important factor in acceleration. 2003 Kia Sorento weights approximately 452 kg more than 2013 Kia Optima.
Because 2003 Kia Sorento is four wheel drive (4WD), it will have significant more traction and grip than 2013 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2003 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, 2013 Kia Optima (365 Nm @ 4500 RPM) has 55 more torque (in Nm) than 2003 Kia Sorento. (310 Nm @ 3000 RPM). This means 2013 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2003 Kia Sorento.
Compare all specifications:
| 2003 Kia Sorento | 2013 Kia Optima | |
| Make | Kia | Kia |
| Model | Sorento | Optima |
| Year Released | 2003 | 2013 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3489 cc | 2000 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 192 HP | 270 HP |
| Engine RPM | 5750 RPM | 6000 RPM |
| Torque | 310 Nm | 365 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 85.8 mm | 86 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1990 kg | 1538 kg |
| Vehicle Length | 4500 mm | 4845 mm |
| Vehicle Width | 1840 mm | 1830 mm |
| Vehicle Height | 1710 mm | 1455 mm |
| Wheelbase Size | 2670 mm | 2795 mm |
| Fuel Tank Capacity | 80 L | 70 L |
