2003 Kia Sephia II vs. 2006 Kia Optima
To start off, 2006 Kia Optima is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Kia Sephia II. In addition, the cost of maintenance, including insurance, on 2003 Kia Sephia II would be higher. At 2,351 cc (4 cylinders), 2006 Kia Optima is equipped with a bigger engine. In terms of performance, 2006 Kia Optima (138 HP @ 5500 RPM) has 59 more horse power than 2003 Kia Sephia II. (79 HP @ 5500 RPM) In normal driving conditions, 2006 Kia Optima should accelerate faster than 2003 Kia Sephia II. With that said, vehicle weight also plays an important factor in acceleration. 2006 Kia Optima weights approximately 945 kg more than 2003 Kia Sephia II. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 77 more torque (in Nm) than 2003 Kia Sephia II. (122 Nm @ 2500 RPM). This means 2006 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2003 Kia Sephia II.
Compare all specifications:
2003 Kia Sephia II | 2006 Kia Optima | |
Make | Kia | Kia |
Model | Sephia II | Optima |
Year Released | 2003 | 2006 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 1498 cc | 2351 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 79 HP | 138 HP |
Engine RPM | 5500 RPM | 5500 RPM |
Torque | 122 Nm | 199 Nm |
Torque RPM | 2500 RPM | 3000 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Front | Front |
Transmission Type | Manual | Manual |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1055 kg | 2000 kg |
Vehicle Length | 4520 mm | 4730 mm |
Vehicle Width | 1730 mm | 1820 mm |
Vehicle Height | 1420 mm | 1420 mm |
Wheelbase Size | 2570 mm | 2710 mm |
Fuel Tank Capacity | 50 L | 65 L |