1975 Fiat 133 vs. 1970 Fiat 125
To start off, 1975 Fiat 133 is newer by 5 year(s). Which means there will be less support and parts availability for 1970 Fiat 125. In addition, the cost of maintenance, including insurance, on 1970 Fiat 125 would be higher. At 1,607 cc (4 cylinders), 1970 Fiat 125 is equipped with a bigger engine. In terms of performance, 1970 Fiat 125 (90 HP @ 5600 RPM) has 56 more horse power than 1975 Fiat 133. (34 HP @ 4800 RPM) In normal driving conditions, 1970 Fiat 125 should accelerate faster than 1975 Fiat 133. With that said, vehicle weight also plays an important factor in acceleration. 1970 Fiat 125 weights approximately 270 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, 1970 Fiat 125 (131 Nm @ 4000 RPM) has 76 more torque (in Nm) than 1975 Fiat 133. (55 Nm @ 3200 RPM). This means 1970 Fiat 125 will have an easier job in driving up hills or pulling heavy equipment than 1975 Fiat 133.
Compare all specifications:
| 1975 Fiat 133 | 1970 Fiat 125 | |
| Make | Fiat | Fiat |
| Model | 133 | 125 |
| Year Released | 1975 | 1970 |
| Engine Position | Rear | Front |
| Engine Size | 843 cc | 1607 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 34 HP | 90 HP |
| Engine RPM | 4800 RPM | 5600 RPM |
| Torque | 55 Nm | 131 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 65 mm | 80 mm |
| Engine Stroke Size | 68 mm | 80 mm |
| Engine Compression Ratio | 7.9:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 690 kg | 960 kg |
| Vehicle Length | 3460 mm | 4230 mm |
| Vehicle Width | 1430 mm | 1610 mm |
| Vehicle Height | 1330 mm | 1450 mm |
| Wheelbase Size | 2030 mm | 2430 mm |
