1970 Innocenti J4 vs. 1981 Vauxhall Astra
To start off, 1981 Vauxhall Astra is newer by 11 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 1,196 cc (4 cylinders), 1981 Vauxhall Astra is equipped with a bigger engine. In terms of performance, 1981 Vauxhall Astra (59 HP @ 5800 RPM) has 3 more horse power than 1970 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 1981 Vauxhall Astra should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1970 Innocenti J4 weights approximately 40 kg more than 1981 Vauxhall Astra.
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, 1981 Vauxhall Astra (88 Nm @ 3000 RPM) has 5 more torque (in Nm) than 1970 Innocenti J4. (83 Nm @ 2500 RPM). This means 1981 Vauxhall Astra will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
| 1970 Innocenti J4 | 1981 Vauxhall Astra | |
| Make | Innocenti | Vauxhall |
| Model | J4 | Astra |
| Year Released | 1970 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 1196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 59 HP |
| Engine RPM | 5500 RPM | 5800 RPM |
| Torque | 83 Nm | 88 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Engine Bore Size | 64.6 mm | 81 mm |
| Engine Stroke Size | 83.7 mm | 61 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 880 kg | 840 kg |
| Vehicle Length | 3720 mm | 4010 mm |
| Vehicle Width | 1540 mm | 1650 mm |
| Vehicle Height | 1380 mm | 1340 mm |
| Wheelbase Size | 2380 mm | 2520 mm |
