1975 Honda Z vs. 1971 Innocenti J4
To start off, 1975 Honda Z is newer by 4 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 1,098 cc (4 cylinders), 1971 Innocenti J4 is equipped with a bigger engine. In terms of performance, 1971 Innocenti J4 (56 HP @ 5500 RPM) has 32 more horse power than 1975 Honda Z. (24 HP @ 7000 RPM) In normal driving conditions, 1971 Innocenti J4 should accelerate faster than 1975 Honda Z. With that said, vehicle weight also plays an important factor in acceleration. 1971 Innocenti J4 weights approximately 370 kg more than 1975 Honda Z. 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, 1971 Innocenti J4 (84 Nm @ 2500 RPM) has 54 more torque (in Nm) than 1975 Honda Z. (30 Nm @ 5000 RPM). This means 1971 Innocenti J4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Honda Z.
Compare all specifications:
| 1975 Honda Z | 1971 Innocenti J4 | |
| Make | Honda | Innocenti |
| Model | Z | J4 |
| Year Released | 1975 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 354 cc | 1098 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 24 HP | 56 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 30 Nm | 84 Nm |
| Torque RPM | 5000 RPM | 2500 RPM |
| Engine Bore Size | 62.5 mm | 64.6 mm |
| Engine Stroke Size | 57.8 mm | 83.7 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 510 kg | 880 kg |
| Vehicle Length | 3000 mm | 3720 mm |
| Vehicle Width | 1300 mm | 1540 mm |
| Vehicle Height | 1280 mm | 1380 mm |
| Wheelbase Size | 2010 mm | 2380 mm |
