1984 Innocenti 990 vs. 1966 Innocenti J4
To start off, 1984 Innocenti 990 is newer by 18 year(s). Which means there will be less support and parts availability for 1966 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1966 Innocenti J4 would be higher. At 1,098 cc (4 cylinders), 1966 Innocenti J4 is equipped with a bigger engine. In terms of performance, 1966 Innocenti J4 (56 HP @ 5600 RPM) has 5 more horse power than 1984 Innocenti 990. (51 HP @ 5800 RPM) In normal driving conditions, 1966 Innocenti J4 should accelerate faster than 1984 Innocenti 990. With that said, vehicle weight also plays an important factor in acceleration. 1966 Innocenti J4 weights approximately 136 kg more than 1984 Innocenti 990. 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, 1966 Innocenti J4 (82 Nm @ 2000 RPM) has 7 more torque (in Nm) than 1984 Innocenti 990. (75 Nm @ 3200 RPM). This means 1966 Innocenti J4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Innocenti 990.
Compare all specifications:
| 1984 Innocenti 990 | 1966 Innocenti J4 | |
| Make | Innocenti | Innocenti |
| Model | 990 | J4 |
| Year Released | 1984 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 993 cc | 1098 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 56 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 75 Nm | 82 Nm |
| Torque RPM | 3200 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 714 kg | 850 kg |
| Vehicle Length | 3170 mm | 3720 mm |
| Vehicle Width | 1530 mm | 1540 mm |
| Vehicle Height | 1390 mm | 1380 mm |
| Wheelbase Size | 2050 mm | 2380 mm |
