2005 Kia Optima vs. 2007 Kia Sportage
To start off, 2007 Kia Sportage 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 2,671 cc (6 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2005 Kia Optima (170 HP @ 4000 RPM) has 31 more horse power than 2007 Kia Sportage. (139 HP @ 6000 RPM). In normal driving conditions, 2005 Kia Optima should accelerate faster than 2007 Kia Sportage. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Optima weights approximately 163 kg more than 2007 Kia Sportage. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Kia Sportage 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, 2007 Kia Sportage 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, 2005 Kia Optima (241 Nm) has 53 more torque (in Nm) than 2007 Kia Sportage. (188 Nm). This means 2005 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Sportage.
Compare all specifications:
| 2005 Kia Optima | 2007 Kia Sportage | |
| Make | Kia | Kia |
| Model | Optima | Sportage |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 1975 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 139 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 241 Nm | 188 Nm |
| Engine Bore Size | 87 mm | 85 mm |
| Engine Stroke Size | 75 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 10.1:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1487 kg | 1324 kg |
| Vehicle Length | 4730 mm | 4360 mm |
| Vehicle Width | 1820 mm | 1810 mm |
| Vehicle Height | 1420 mm | 1700 mm |
| Wheelbase Size | 2710 mm | 2640 mm |
| Fuel Consumption Overall | 10.4 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 65 L | 58 L |
