1971 Innocenti J4 vs. 1991 Opel Kadett
To start off, 1991 Opel Kadett is newer by 20 year(s). Which means there will be less support and parts availability for 1971 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1971 Innocenti J4 would be higher. At 1,598 cc (4 cylinders), 1991 Opel Kadett is equipped with a bigger engine. In terms of performance, 1991 Opel Kadett (81 HP @ 5800 RPM) has 25 more horse power than 1971 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 1991 Opel Kadett should accelerate faster than 1971 Innocenti J4.
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, 1991 Opel Kadett (132 Nm @ 2600 RPM) has 48 more torque (in Nm) than 1971 Innocenti J4. (84 Nm @ 2500 RPM). This means 1991 Opel Kadett will have an easier job in driving up hills or pulling heavy equipment than 1971 Innocenti J4.
Compare all specifications:
| 1971 Innocenti J4 | 1991 Opel Kadett | |
| Make | Innocenti | Opel |
| Model | J4 | Kadett |
| Year Released | 1971 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 56 HP | 81 HP |
| Engine RPM | 5500 RPM | 5800 RPM |
| Torque | 84 Nm | 132 Nm |
| Torque RPM | 2500 RPM | 2600 RPM |
| Engine Bore Size | 64.6 mm | 80 mm |
| Engine Stroke Size | 83.7 mm | 79.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Length | 3720 mm | 4000 mm |
| Vehicle Width | 1540 mm | 1670 mm |
| Vehicle Height | 1380 mm | 1390 mm |
