1963 Alfa Romeo Spider vs. 1975 Fiat 131
To start off, 1975 Fiat 131 is newer by 12 year(s). Which means there will be less support and parts availability for 1963 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1963 Alfa Romeo Spider would be higher. At 2,580 cc (6 cylinders), 1963 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1963 Alfa Romeo Spider (163 HP @ 5900 RPM) has 99 more horse power than 1975 Fiat 131. (64 HP @ 5400 RPM). In normal driving conditions, 1963 Alfa Romeo Spider should accelerate faster than 1975 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 1963 Alfa Romeo Spider weights approximately 310 kg more than 1975 Fiat 131. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1963 Alfa Romeo Spider (220 Nm @ 4000 RPM) has 118 more torque (in Nm) than 1975 Fiat 131. (102 Nm @ 3000 RPM). This means 1963 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1975 Fiat 131.
Compare all specifications:
| 1963 Alfa Romeo Spider | 1975 Fiat 131 | |
| Make | Alfa Romeo | Fiat |
| Model | Spider | 131 |
| Year Released | 1963 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2580 cc | 1297 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 163 HP | 64 HP |
| Engine RPM | 5900 RPM | 5400 RPM |
| Torque | 220 Nm | 102 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 83 mm | 76 mm |
| Engine Stroke Size | 79.6 mm | 71.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1330 kg | 1020 kg |
| Vehicle Length | 4510 mm | 4270 mm |
| Vehicle Width | 1610 mm | 1660 mm |
| Vehicle Height | 1390 mm | 1370 mm |
| Wheelbase Size | 2510 mm | 2500 mm |
