1975 Fiat 131 vs. 1990 Ford Sierra
To start off, 1990 Ford Sierra is newer by 15 year(s). Which means there will be less support and parts availability for 1975 Fiat 131. In addition, the cost of maintenance, including insurance, on 1975 Fiat 131 would be higher. At 1,598 cc (4 cylinders), 1990 Ford Sierra is equipped with a bigger engine. In terms of performance, 1990 Ford Sierra (74 HP @ 4900 RPM) has 10 more horse power than 1975 Fiat 131. (64 HP @ 5400 RPM) In normal driving conditions, 1990 Ford Sierra should accelerate faster than 1975 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 1975 Fiat 131 weights approximately 5 kg more than 1990 Ford Sierra.
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, 1990 Ford Sierra (123 Nm @ 2900 RPM) has 21 more torque (in Nm) than 1975 Fiat 131. (102 Nm @ 3000 RPM). This means 1990 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1975 Fiat 131.
Compare all specifications:
| 1975 Fiat 131 | 1990 Ford Sierra | |
| Make | Fiat | Ford |
| Model | 131 | Sierra |
| Year Released | 1975 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1297 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 64 HP | 74 HP |
| Engine RPM | 5400 RPM | 4900 RPM |
| Torque | 102 Nm | 123 Nm |
| Torque RPM | 3000 RPM | 2900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1020 kg | 1015 kg |
| Vehicle Length | 4270 mm | 4430 mm |
| Vehicle Width | 1660 mm | 1700 mm |
| Vehicle Height | 1370 mm | 1370 mm |
| Wheelbase Size | 2500 mm | 2620 mm |
