1973 Innocenti J4 vs. 1986 Opel Corsa
To start off, 1986 Opel Corsa is newer by 13 year(s). Which means there will be less support and parts availability for 1973 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1973 Innocenti J4 would be higher. At 1,097 cc (4 cylinders), 1973 Innocenti J4 is equipped with a bigger engine. In terms of performance, 1973 Innocenti J4 (56 HP @ 5500 RPM) has 12 more horse power than 1986 Opel Corsa. (44 HP @ 5400 RPM). In normal driving conditions, 1973 Innocenti J4 should accelerate faster than 1986 Opel Corsa. With that said, vehicle weight also plays an important factor in acceleration. 1973 Innocenti J4 weights approximately 110 kg more than 1986 Opel Corsa. 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, 1973 Innocenti J4 (83 Nm @ 2500 RPM) has 14 more torque (in Nm) than 1986 Opel Corsa. (69 Nm @ 2800 RPM). This means 1973 Innocenti J4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Opel Corsa.
Compare all specifications:
| 1973 Innocenti J4 | 1986 Opel Corsa | |
| Make | Innocenti | Opel |
| Model | J4 | Corsa |
| Year Released | 1973 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 56 HP | 44 HP |
| Engine RPM | 5500 RPM | 5400 RPM |
| Torque | 83 Nm | 69 Nm |
| Torque RPM | 2500 RPM | 2800 RPM |
| Engine Bore Size | 64.6 mm | 72 mm |
| Engine Stroke Size | 83.7 mm | 61 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 880 kg | 770 kg |
| Vehicle Length | 3720 mm | 3960 mm |
| Vehicle Width | 1540 mm | 1550 mm |
| Vehicle Height | 1380 mm | 1370 mm |
| Wheelbase Size | 2380 mm | 2850 mm |
