2005 Kia Optima vs. 2005 Proton Impian
To start off, both 2005 Kia Optima and 2005 Proton Impian were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 37 more horse power than 2005 Proton Impian. (101 HP @ 6000 RPM). In normal driving conditions, 2005 Kia Optima should accelerate faster than 2005 Proton Impian. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Optima weights approximately 292 kg more than 2005 Proton Impian. 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 59 more torque (in Nm) than 2005 Proton Impian. (140 Nm). This means 2005 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2005 Proton Impian.
Compare all specifications:
| 2005 Kia Optima | 2005 Proton Impian | |
| Make | Kia | Proton |
| Model | Optima | Impian |
| Year Released | 2005 | 2005 |
| Engine Size | 2360 cc | 1584 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 101 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 199 Nm | 140 Nm |
| Drive Type | Front | Front |
| Vehicle Weight | 1497 kg | 1205 kg |
| Vehicle Length | 4730 mm | 4470 mm |
| Vehicle Width | 1820 mm | 1750 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2620 mm | 2610 mm |
