2005 Kia Optima vs. 2006 Kia Spectra
To start off, 2006 Kia Spectra is newer by 1 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 32 more horse power than 2006 Kia Spectra. (138 HP @ 6000 RPM). In normal driving conditions, 2005 Kia Optima should accelerate faster than 2006 Kia Spectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Optima weights approximately 7 kg more than 2006 Kia Spectra. 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 (241 Nm) has 57 more torque (in Nm) than 2006 Kia Spectra. (184 Nm). This means 2005 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Spectra.
Compare all specifications:
| 2005 Kia Optima | 2006 Kia Spectra | |
| Make | Kia | Kia |
| Model | Optima | Spectra |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 1999 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 138 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 241 Nm | 184 Nm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1487 kg | 1480 kg |
| Vehicle Length | 4730 mm | 4490 mm |
| Vehicle Width | 1820 mm | 1740 mm |
| Vehicle Height | 1420 mm | 1480 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Consumption Highway | 8.9 L/100km | 7.1 L/100km |
| Fuel Consumption City | 11.9 L/100km | 9.4 L/100km |
| Fuel Consumption Overall | 10.4 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 65 L | 55 L |
