1978 Alfa Romeo Alfasud vs. 1970 Innocenti J4
To start off, 1978 Alfa Romeo Alfasud is newer by 8 year(s). Which means there will be less support and parts availability for 1970 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1970 Innocenti J4 would be higher. At 1,490 cc (4 cylinders), 1978 Alfa Romeo Alfasud is equipped with a bigger engine. In terms of performance, 1978 Alfa Romeo Alfasud (84 HP @ 5800 RPM) has 28 more horse power than 1970 Innocenti J4. (56 HP @ 5500 RPM). In normal driving conditions, 1978 Alfa Romeo Alfasud should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1970 Innocenti J4 weights approximately 4 kg more than 1978 Alfa Romeo Alfasud.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 1978 Alfa Romeo Alfasud (120 Nm @ 3500 RPM) has 37 more torque (in Nm) than 1970 Innocenti J4. (83 Nm @ 2500 RPM). This means 1978 Alfa Romeo Alfasud will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
| 1978 Alfa Romeo Alfasud | 1970 Innocenti J4 | |
| Make | Alfa Romeo | Innocenti |
| Model | Alfasud | J4 |
| Year Released | 1978 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1490 cc | 1097 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 84 HP | 56 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 120 Nm | 83 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 64.6 mm |
| Engine Stroke Size | 67.2 mm | 83.7 mm |
| Engine Compression Ratio | 9.0:1 | 21.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 876 kg | 880 kg |
| Vehicle Length | 3930 mm | 3720 mm |
| Vehicle Width | 1620 mm | 1540 mm |
| Vehicle Height | 1380 mm | 1380 mm |
| Wheelbase Size | 2520 mm | 2380 mm |
