2012 Kia Optima vs. 2005 Proton Juara
To start off, 2012 Kia Optima is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Proton Juara. In addition, the cost of maintenance, including insurance, on 2005 Proton Juara would be higher. At 2,400 cc (4 cylinders), 2012 Kia Optima is equipped with a bigger engine. In terms of performance, 2012 Kia Optima (200 HP @ 6300 RPM) has 130 more horse power than 2005 Proton Juara. (70 HP @ 6000 RPM). In normal driving conditions, 2012 Kia Optima should accelerate faster than 2005 Proton Juara. With that said, vehicle weight also plays an important factor in acceleration. 2012 Kia Optima weights approximately 449 kg more than 2005 Proton Juara. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Proton Juara is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Proton Juara. However, in wet, icy, snow, or gravel driving conditions, 2012 Kia Optima, being front wheel drive (FWD), will offer much better control with better grip. 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, 2012 Kia Optima (252 Nm @ 4250 RPM) has 158 more torque (in Nm) than 2005 Proton Juara. (94 Nm @ 4500 RPM). This means 2012 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2005 Proton Juara. 2005 Proton Juara has automatic transmission and 2012 Kia Optima has manual transmission. 2012 Kia Optima will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Proton Juara will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2012 Kia Optima | 2005 Proton Juara | |
| Make | Kia | Proton |
| Model | Optima | Juara |
| Year Released | 2012 | 2005 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2400 cc | 1094 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 70 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 252 Nm | 94 Nm |
| Torque RPM | 4250 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | 6-speed manual | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1454 kg | 1005 kg |
| Vehicle Length | 4844 mm | 3670 mm |
| Vehicle Width | 1831 mm | 1540 mm |
| Vehicle Height | 1455 mm | 1820 mm |
| Wheelbase Size | 2797 mm | 2400 mm |
