1970 Innocenti J4 vs. 1980 Volkswagen Jetta
To start off, 1980 Volkswagen Jetta is newer by 10 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 1,588 cc (4 cylinders), 1980 Volkswagen Jetta is equipped with a bigger engine. In terms of performance, 1980 Volkswagen Jetta (73 HP @ 4500 RPM) has 17 more horse power than 1970 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 1980 Volkswagen Jetta should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1980 Volkswagen Jetta weights approximately 10 kg more than 1970 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1980 Volkswagen Jetta (133 Nm @ 2600 RPM) has 50 more torque (in Nm) than 1970 Innocenti J4. (83 Nm @ 2500 RPM). This means 1980 Volkswagen Jetta will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
| 1970 Innocenti J4 | 1980 Volkswagen Jetta | |
| Make | Innocenti | Volkswagen |
| Model | J4 | Jetta |
| Year Released | 1970 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 1588 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 73 HP |
| Engine RPM | 5500 RPM | 4500 RPM |
| Torque | 83 Nm | 133 Nm |
| Torque RPM | 2500 RPM | 2600 RPM |
| Engine Compression Ratio | 21.5:1 | 23.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 880 kg | 890 kg |
| Vehicle Length | 3720 mm | 4200 mm |
| Vehicle Width | 1540 mm | 1640 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2380 mm | 2410 mm |
