1971 Innocenti J4 vs. 1985 Opel Kadett
To start off, 1985 Opel Kadett is newer by 14 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), 1985 Opel Kadett is equipped with a bigger engine. In terms of performance, 1985 Opel Kadett (82 HP @ 5400 RPM) has 26 more horse power than 1971 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 1985 Opel Kadett should accelerate faster than 1971 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1985 Opel Kadett weights approximately 34 kg more than 1971 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, 1985 Opel Kadett (130 Nm @ 2600 RPM) has 46 more torque (in Nm) than 1971 Innocenti J4. (84 Nm @ 2500 RPM). This means 1985 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 | 1985 Opel Kadett | |
| Make | Innocenti | Opel |
| Model | J4 | Kadett |
| Year Released | 1971 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 82 HP |
| Engine RPM | 5500 RPM | 5400 RPM |
| Torque | 84 Nm | 130 Nm |
| Torque RPM | 2500 RPM | 2600 RPM |
| Engine Bore Size | 64.6 mm | 79.1 mm |
| Engine Stroke Size | 83.7 mm | 81.5 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 880 kg | 914 kg |
| Vehicle Length | 3720 mm | 4010 mm |
| Vehicle Width | 1540 mm | 1670 mm |
| Vehicle Height | 1380 mm | 1410 mm |
| Wheelbase Size | 2380 mm | 2530 mm |
