1981 Mitsubishi Sigma vs. 1991 Morgan Plus 4
To start off, 1991 Morgan Plus 4 is newer by 10 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 1,994 cc (4 cylinders), 1991 Morgan Plus 4 is equipped with a bigger engine. In terms of performance, 1991 Morgan Plus 4 (137 HP @ 6000 RPM) has 62 more horse power than 1981 Mitsubishi Sigma. (75 HP @ 4800 RPM) In normal driving conditions, 1991 Morgan Plus 4 should accelerate faster than 1981 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 1981 Mitsubishi Sigma weights approximately 110 kg more than 1991 Morgan Plus 4.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1991 Morgan Plus 4 (177 Nm @ 4500 RPM) has 60 more torque (in Nm) than 1981 Mitsubishi Sigma. (117 Nm @ 3200 RPM). This means 1991 Morgan Plus 4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mitsubishi Sigma.
Compare all specifications:
| 1981 Mitsubishi Sigma | 1991 Morgan Plus 4 | |
| Make | Mitsubishi | Morgan |
| Model | Sigma | Plus 4 |
| Year Released | 1981 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 137 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 117 Nm | 177 Nm |
| Torque RPM | 3200 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1030 kg | 920 kg |
| Vehicle Length | 4460 mm | 3900 mm |
| Vehicle Width | 1660 mm | 1510 mm |
| Vehicle Height | 1370 mm | 1280 mm |
| Wheelbase Size | 2520 mm | 2500 mm |
