1975 Fiat 133 vs. 1983 Fiat 131
To start off, 1983 Fiat 131 is newer by 8 year(s). Which means there will be less support and parts availability for 1975 Fiat 133. In addition, the cost of maintenance, including insurance, on 1975 Fiat 133 would be higher. At 1,367 cc (4 cylinders), 1983 Fiat 131 is equipped with a bigger engine. In terms of performance, 1983 Fiat 131 (70 HP @ 5500 RPM) has 36 more horse power than 1975 Fiat 133. (34 HP @ 4800 RPM) In normal driving conditions, 1983 Fiat 131 should accelerate faster than 1975 Fiat 133. With that said, vehicle weight also plays an important factor in acceleration. 1983 Fiat 131 weights approximately 360 kg more than 1975 Fiat 133. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1983 Fiat 131 (108 Nm @ 3000 RPM) has 53 more torque (in Nm) than 1975 Fiat 133. (55 Nm @ 3200 RPM). This means 1983 Fiat 131 will have an easier job in driving up hills or pulling heavy equipment than 1975 Fiat 133.
Compare all specifications:
| 1975 Fiat 133 | 1983 Fiat 131 | |
| Make | Fiat | Fiat |
| Model | 133 | 131 |
| Year Released | 1975 | 1983 |
| Engine Position | Rear | Front |
| Engine Size | 843 cc | 1367 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 34 HP | 70 HP |
| Engine RPM | 4800 RPM | 5500 RPM |
| Torque | 55 Nm | 108 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 690 kg | 1050 kg |
| Vehicle Length | 3460 mm | 4270 mm |
| Vehicle Width | 1430 mm | 1660 mm |
| Vehicle Height | 1330 mm | 1400 mm |
| Wheelbase Size | 2030 mm | 2500 mm |
