1981 Fiat 131 vs. 1975 Opel Kadett
To start off, 1981 Fiat 131 is newer by 6 year(s). Which means there will be less support and parts availability for 1975 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1975 Opel Kadett would be higher. At 1,367 cc (4 cylinders), 1981 Fiat 131 is equipped with a bigger engine. In terms of performance, 1981 Fiat 131 (70 HP @ 5500 RPM) has 19 more horse power than 1975 Opel Kadett. (51 HP @ 5600 RPM). In normal driving conditions, 1981 Fiat 131 should accelerate faster than 1975 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1981 Fiat 131 weights approximately 235 kg more than 1975 Opel Kadett. 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, 1981 Fiat 131 (108 Nm @ 3000 RPM) has 28 more torque (in Nm) than 1975 Opel Kadett. (80 Nm @ 3400 RPM). This means 1981 Fiat 131 will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Kadett.
Compare all specifications:
| 1981 Fiat 131 | 1975 Opel Kadett | |
| Make | Fiat | Opel |
| Model | 131 | Kadett |
| Year Released | 1981 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1367 cc | 1196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 51 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 108 Nm | 80 Nm |
| Torque RPM | 3000 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1025 kg | 790 kg |
| Vehicle Length | 4270 mm | 4140 mm |
| Vehicle Width | 1660 mm | 1590 mm |
| Vehicle Height | 1390 mm | 1290 mm |
| Wheelbase Size | 2500 mm | 2410 mm |
