2005 Kia Optima vs. 2007 Kia Rio
To start off, 2007 Kia Rio is newer by 2 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 2,360 cc (4 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2005 Kia Optima (138 HP @ 4000 RPM) has 44 more horse power than 2007 Kia Rio. (94 HP @ 6000 RPM). In normal driving conditions, 2005 Kia Optima should accelerate faster than 2007 Kia Rio. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Optima weights approximately 433 kg more than 2007 Kia Rio. 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, 2005 Kia Optima (199 Nm) has 73 more torque (in Nm) than 2007 Kia Rio. (126 Nm). This means 2005 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Rio.
Compare all specifications:
| 2005 Kia Optima | 2007 Kia Rio | |
| Make | Kia | Kia |
| Model | Optima | Rio |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 1399 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 94 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 199 Nm | 126 Nm |
| Engine Bore Size | 87.1 mm | 75.5 mm |
| Engine Stroke Size | 100 mm | 78.1 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1497 kg | 1064 kg |
| Vehicle Length | 4730 mm | 4250 mm |
| Vehicle Width | 1820 mm | 1480 mm |
| Vehicle Height | 1420 mm | 1700 mm |
| Wheelbase Size | 2620 mm | 2510 mm |
| Fuel Consumption Overall | 9.4 L/100km | 6.2 L/100km |
| Fuel Tank Capacity | 65 L | 45 L |
