1970 Innocenti J4 vs. 2001 Opel Astra
To start off, 2001 Opel Astra is newer by 31 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 1,796 cc (4 cylinders), 2001 Opel Astra is equipped with a bigger engine. In terms of performance, 2001 Opel Astra (123 HP @ 4400 RPM) has 67 more horse power than 1970 Innocenti J4. (56 HP @ 5600 RPM) In normal driving conditions, 2001 Opel Astra should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Astra weights approximately 498 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, 2001 Opel Astra (170 Nm) has 88 more torque (in Nm) than 1970 Innocenti J4. (82 Nm). This means 2001 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
| 1970 Innocenti J4 | 2001 Opel Astra | |
| Make | Innocenti | Opel |
| Model | J4 | Astra |
| Year Released | 1970 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 56 HP | 123 HP |
| Engine RPM | 5600 RPM | 4400 RPM |
| Torque | 82 Nm | 170 Nm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 852 kg | 1350 kg |
| Vehicle Length | 3720 mm | 4270 mm |
| Vehicle Width | 1540 mm | 1720 mm |
| Vehicle Height | 1380 mm | 1400 mm |
| Wheelbase Size | 2380 mm | 2610 mm |
