1981 Fiat 131 vs. 1968 Innocenti J4
To start off, 1981 Fiat 131 is newer by 13 year(s). Which means there will be less support and parts availability for 1968 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1968 Innocenti J4 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 (71 HP @ 5800 RPM) has 14 more horse power than 1968 Innocenti J4. (57 HP @ 5500 RPM). In normal driving conditions, 1981 Fiat 131 should accelerate faster than 1968 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1981 Fiat 131 weights approximately 210 kg more than 1968 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Fiat 131 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1981 Fiat 131. However, in wet, icy, snow, or gravel driving conditions, 1968 Innocenti J4, being front wheel drive (FWD), will offer much better control with better grip. 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 (110 Nm @ 3800 RPM) has 28 more torque (in Nm) than 1968 Innocenti J4. (82 Nm @ 2000 RPM). This means 1981 Fiat 131 will have an easier job in driving up hills or pulling heavy equipment than 1968 Innocenti J4.
Compare all specifications:
| 1981 Fiat 131 | 1968 Innocenti J4 | |
| Make | Fiat | Innocenti |
| Model | 131 | J4 |
| Year Released | 1981 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 1367 cc | 1098 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 71 HP | 57 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 110 Nm | 82 Nm |
| Torque RPM | 3800 RPM | 2000 RPM |
| Engine Compression Ratio | 7.4:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1060 kg | 850 kg |
| Vehicle Length | 4270 mm | 3720 mm |
| Vehicle Width | 1660 mm | 1540 mm |
| Vehicle Height | 1390 mm | 1380 mm |
| Wheelbase Size | 2500 mm | 2380 mm |
