1981 Mitsubishi Sigma vs. 1981 Nissan Sunny
To start off, both 1981 Mitsubishi Sigma and 1981 Nissan Sunny were released in the same year (1981). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,680 cc (4 cylinders), 1981 Nissan Sunny is equipped with a bigger engine. In terms of performance, 1981 Mitsubishi Sigma (75 HP @ 4800 RPM) has 22 more horse power than 1981 Nissan Sunny. (53 HP @ 4800 RPM). In normal driving conditions, 1981 Mitsubishi Sigma should accelerate faster than 1981 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 1981 Mitsubishi Sigma weights approximately 120 kg more than 1981 Nissan Sunny. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1981 Mitsubishi Sigma (117 Nm @ 3200 RPM) has 13 more torque (in Nm) than 1981 Nissan Sunny. (104 Nm @ 2800 RPM). This means 1981 Mitsubishi Sigma will have an easier job in driving up hills or pulling heavy equipment than 1981 Nissan Sunny.
Compare all specifications:
| 1981 Mitsubishi Sigma | 1981 Nissan Sunny | |
| Make | Mitsubishi | Nissan |
| Model | Sigma | Sunny |
| Year Released | 1981 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 1680 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 53 HP |
| Engine RPM | 4800 RPM | 4800 RPM |
| Torque | 117 Nm | 104 Nm |
| Torque RPM | 3200 RPM | 2800 RPM |
| Fuel Type | Gasoline | Diesel |
| Vehicle Weight | 1030 kg | 910 kg |
| Vehicle Length | 4460 mm | 4140 mm |
| Vehicle Width | 1660 mm | 1650 mm |
| Vehicle Height | 1370 mm | 1400 mm |
| Wheelbase Size | 2520 mm | 2410 mm |
