1970 Innocenti J4 vs. 1981 Suzuki Alto
To start off, 1981 Suzuki Alto is newer by 11 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 1,097 cc (4 cylinders), 1970 Innocenti J4 is equipped with a bigger engine. In terms of performance, 1970 Innocenti J4 (56 HP @ 5500 RPM) has 18 more horse power than 1981 Suzuki Alto. (38 HP @ 5500 RPM). In normal driving conditions, 1970 Innocenti J4 should accelerate faster than 1981 Suzuki Alto. With that said, vehicle weight also plays an important factor in acceleration. 1970 Innocenti J4 weights approximately 270 kg more than 1981 Suzuki Alto. 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, 1970 Innocenti J4 (83 Nm @ 2500 RPM) has 23 more torque (in Nm) than 1981 Suzuki Alto. (60 Nm @ 3000 RPM). This means 1970 Innocenti J4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Suzuki Alto.
Compare all specifications:
| 1970 Innocenti J4 | 1981 Suzuki Alto | |
| Make | Innocenti | Suzuki |
| Model | J4 | Alto |
| Year Released | 1970 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 796 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 38 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 83 Nm | 60 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Engine Bore Size | 64.6 mm | 68.5 mm |
| Engine Stroke Size | 83.7 mm | 72 mm |
| Engine Compression Ratio | 21.5:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Vehicle Weight | 880 kg | 610 kg |
| Vehicle Length | 3720 mm | 3300 mm |
| Vehicle Width | 1540 mm | 1410 mm |
| Vehicle Height | 1380 mm | 1340 mm |
| Wheelbase Size | 2380 mm | 2160 mm |
