2005 Kia Opirus vs. 1981 Mitsubishi Sigma
To start off, 2005 Kia Opirus is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Mitsubishi Sigma. In addition, the cost of maintenance, including insurance, on 1981 Mitsubishi Sigma would be higher. At 3,497 cc (6 cylinders), 2005 Kia Opirus is equipped with a bigger engine. In terms of performance, 2005 Kia Opirus (196 HP @ 5500 RPM) has 121 more horse power than 1981 Mitsubishi Sigma. (75 HP @ 4800 RPM). In normal driving conditions, 2005 Kia Opirus should accelerate faster than 1981 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Opirus weights approximately 730 kg more than 1981 Mitsubishi Sigma. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Mitsubishi Sigma 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 1981 Mitsubishi Sigma. However, in wet, icy, snow, or gravel driving conditions, 2005 Kia Opirus, 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, 2005 Kia Opirus (294 Nm @ 3500 RPM) has 177 more torque (in Nm) than 1981 Mitsubishi Sigma. (117 Nm @ 3200 RPM). This means 2005 Kia Opirus will have an easier job in driving up hills or pulling heavy equipment than 1981 Mitsubishi Sigma. 2005 Kia Opirus has automatic transmission and 1981 Mitsubishi Sigma has manual transmission. 1981 Mitsubishi Sigma will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Kia Opirus will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Kia Opirus | 1981 Mitsubishi Sigma | |
| Make | Kia | Mitsubishi |
| Model | Opirus | Sigma |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3497 cc | 1597 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 196 HP | 75 HP |
| Engine RPM | 5500 RPM | 4800 RPM |
| Torque | 294 Nm | 117 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1760 kg | 1030 kg |
| Vehicle Length | 4960 mm | 4460 mm |
| Vehicle Width | 1860 mm | 1660 mm |
| Vehicle Height | 1490 mm | 1370 mm |
| Wheelbase Size | 2810 mm | 2520 mm |
