2005 Kia Optima vs. 2007 Subaru Impreza
To start off, 2007 Subaru Impreza 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 2,455 cc (4 cylinders), 2007 Subaru Impreza is equipped with a bigger engine. In terms of performance, 2007 Subaru Impreza (316 HP @ 6000 RPM) has 178 more horse power than 2005 Kia Optima. (138 HP @ 3800 RPM) In normal driving conditions, 2007 Subaru Impreza should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2007 Subaru Impreza weights approximately 7 kg more than 2005 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Subaru Impreza 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 Subaru Impreza 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, 2007 Subaru Impreza (450 Nm) has 251 more torque (in Nm) than 2005 Kia Optima. (199 Nm). This means 2007 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2005 Kia Optima | 2007 Subaru Impreza | |
| Make | Kia | Subaru |
| Model | Optima | Impreza |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 2455 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 316 HP |
| Engine RPM | 3800 RPM | 6000 RPM |
| Torque | 199 Nm | 450 Nm |
| Engine Compression Ratio | 10.0:1 | 8.2:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1488 kg | 1495 kg |
| Vehicle Length | 4730 mm | 4470 mm |
| Vehicle Width | 1820 mm | 1750 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2710 mm | 2550 mm |
| Fuel Consumption | 7.8 L/100km | 9.4 L/100km |
| Fuel Consumption City | 10.2 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 11.6 L/100km |
| Fuel Tank Capacity | 65 L | 60 L |
