1991 Daihatsu Rocky vs. 1980 Mitsubishi Sigma
To start off, 1991 Daihatsu Rocky is newer by 11 year(s). Which means there will be less support and parts availability for 1980 Mitsubishi Sigma. In addition, the cost of maintenance, including insurance, on 1980 Mitsubishi Sigma would be higher. At 1,998 cc (4 cylinders), 1991 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1991 Daihatsu Rocky (87 HP @ 4600 RPM) has 1 more horse power than 1980 Mitsubishi Sigma. (86 HP @ 5200 RPM). In normal driving conditions, 1991 Daihatsu Rocky should accelerate faster than 1980 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 1991 Daihatsu Rocky weights approximately 320 kg more than 1980 Mitsubishi Sigma. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1980 Mitsubishi Sigma. In wet, icy, snow, or gravel driving conditions, 1991 Daihatsu Rocky 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, 1991 Daihatsu Rocky (157 Nm @ 3000 RPM) has 12 more torque (in Nm) than 1980 Mitsubishi Sigma. (145 Nm @ 2400 RPM). This means 1991 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1980 Mitsubishi Sigma.
Compare all specifications:
| 1991 Daihatsu Rocky | 1980 Mitsubishi Sigma | |
| Make | Daihatsu | Mitsubishi |
| Model | Rocky | Sigma |
| Year Released | 1991 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 87 HP | 86 HP |
| Engine RPM | 4600 RPM | 5200 RPM |
| Torque | 157 Nm | 145 Nm |
| Torque RPM | 3000 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 1350 kg | 1030 kg |
| Vehicle Length | 3780 mm | 4460 mm |
| Vehicle Width | 1590 mm | 1660 mm |
| Vehicle Height | 1850 mm | 1370 mm |
| Wheelbase Size | 2210 mm | 2520 mm |
