1972 Innocenti J4 vs. 1966 Innocenti A 40
To start off, 1972 Innocenti J4 is newer by 6 year(s). Which means there will be less support and parts availability for 1966 Innocenti A 40. In addition, the cost of maintenance, including insurance, on 1966 Innocenti A 40 would be higher. Both 1972 Innocenti J4 and 1966 Innocenti A 40 are equipped with a 1,098 cc engine. In terms of performance, 1972 Innocenti J4 (56 HP) has 13 more horse power than 1966 Innocenti A 40. (43 HP). In normal driving conditions, 1972 Innocenti J4 should accelerate faster than 1966 Innocenti A 40. With that said, vehicle weight also plays an important factor in acceleration. 1972 Innocenti J4 weights approximately 80 kg more than 1966 Innocenti A 40. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1966 Innocenti A 40 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 1966 Innocenti A 40. However, in wet, icy, snow, or gravel driving conditions, 1972 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, 1972 Innocenti J4 (83 Nm @ 2500 RPM) has 2 more torque (in Nm) than 1966 Innocenti A 40. (81 Nm @ 2500 RPM). This means 1972 Innocenti J4 will have an easier job in driving up hills or pulling heavy equipment than 1966 Innocenti A 40.
Compare all specifications:
| 1972 Innocenti J4 | 1966 Innocenti A 40 | |
| Make | Innocenti | Innocenti |
| Model | J4 | A 40 |
| Year Released | 1972 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 1098 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 43 HP |
| Torque | 83 Nm | 81 Nm |
| Torque RPM | 2500 RPM | 2500 RPM |
| Engine Compression Ratio | 21.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 880 kg | 800 kg |
| Vehicle Length | 3720 mm | 3720 mm |
| Vehicle Width | 1540 mm | 1520 mm |
| Vehicle Height | 1380 mm | 1450 mm |
| Wheelbase Size | 2380 mm | 2220 mm |
