1990 Alfa Romeo 33 vs. 1981 Mitsubishi Sigma
To start off, 1990 Alfa Romeo 33 is newer by 9 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 1,597 cc (4 cylinders), 1981 Mitsubishi Sigma is equipped with a bigger engine. In terms of performance, 1990 Alfa Romeo 33 (104 HP @ 6000 RPM) has 29 more horse power than 1981 Mitsubishi Sigma. (75 HP @ 4800 RPM). In normal driving conditions, 1990 Alfa Romeo 33 should accelerate faster than 1981 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 1981 Mitsubishi Sigma weights approximately 60 kg more than 1990 Alfa Romeo 33.
Because 1990 Alfa Romeo 33 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Mitsubishi Sigma. In wet, icy, snow, or gravel driving conditions, 1990 Alfa Romeo 33 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, 1990 Alfa Romeo 33 (136 Nm @ 4900 RPM) has 19 more torque (in Nm) than 1981 Mitsubishi Sigma. (117 Nm @ 3200 RPM). This means 1990 Alfa Romeo 33 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mitsubishi Sigma.
Compare all specifications:
| 1990 Alfa Romeo 33 | 1981 Mitsubishi Sigma | |
| Make | Alfa Romeo | Mitsubishi |
| Model | 33 | Sigma |
| Year Released | 1990 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1490 cc | 1597 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 75 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 136 Nm | 117 Nm |
| Torque RPM | 4900 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 970 kg | 1030 kg |
| Vehicle Length | 4080 mm | 4460 mm |
| Vehicle Width | 1620 mm | 1660 mm |
| Vehicle Height | 1360 mm | 1370 mm |
| Wheelbase Size | 2480 mm | 2520 mm |
