2004 Kia Optima vs. 2007 Subaru Impreza
To start off, 2007 Subaru Impreza is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Kia Optima. In addition, the cost of maintenance, including insurance, on 2004 Kia Optima would be higher. At 2,457 cc (4 cylinders), 2007 Subaru Impreza is equipped with a bigger engine. In terms of performance, 2007 Subaru Impreza (224 HP @ 5600 RPM) has 87 more horse power than 2004 Kia Optima. (137 HP @ 4000 RPM) In normal driving conditions, 2007 Subaru Impreza should accelerate faster than 2004 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2004 Kia Optima weights approximately 13 kg more than 2007 Subaru Impreza.
Because 2007 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 2004 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 (307 Nm) has 108 more torque (in Nm) than 2004 Kia Optima. (199 Nm). This means 2007 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Optima.
Compare all specifications:
| 2004 Kia Optima | 2007 Subaru Impreza | |
| Make | Kia | Subaru |
| Model | Optima | Impreza |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 2457 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 137 HP | 224 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 199 Nm | 307 Nm |
| Engine Bore Size | 87.1 mm | 89 mm |
| Engine Stroke Size | 100 mm | 74.9 mm |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1488 kg | 1475 kg |
| Vehicle Length | 4730 mm | 4470 mm |
| Vehicle Width | 1820 mm | 1700 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2530 mm |
| Fuel Consumption | 7.8 L/100km | 8.7 L/100km |
| Fuel Consumption City | 10.2 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 65 L | 60 L |
