1970 Innocenti J4 vs. 2002 Mazda 2
To start off, 2002 Mazda 2 is newer by 32 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 1,399 cc (4 cylinders), 2002 Mazda 2 is equipped with a bigger engine. In terms of performance, 2002 Mazda 2 (66 HP @ 4000 RPM) has 10 more horse power than 1970 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 2002 Mazda 2 should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Mazda 2 weights approximately 280 kg more than 1970 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, 2002 Mazda 2 (160 Nm @ 2000 RPM) has 77 more torque (in Nm) than 1970 Innocenti J4. (83 Nm @ 2500 RPM). This means 2002 Mazda 2 will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
| 1970 Innocenti J4 | 2002 Mazda 2 | |
| Make | Innocenti | Mazda |
| Model | J4 | 2 |
| Year Released | 1970 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 1399 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 66 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 83 Nm | 160 Nm |
| Torque RPM | 2500 RPM | 2000 RPM |
| Engine Bore Size | 64.6 mm | 73.7 mm |
| Engine Stroke Size | 83.7 mm | 82 mm |
| Engine Compression Ratio | 21.5:1 | 18.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 880 kg | 1160 kg |
| Vehicle Length | 3720 mm | 3930 mm |
| Vehicle Width | 1540 mm | 1690 mm |
| Vehicle Height | 1380 mm | 1550 mm |
| Wheelbase Size | 2380 mm | 2500 mm |
