1970 Innocenti J4 vs. 2009 Mazda 3
To start off, 2009 Mazda 3 is newer by 39 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 2,260 cc, 2009 Mazda 3 is equipped with a bigger engine. In terms of performance, 2009 Mazda 3 (154 HP @ 6500 RPM) has 98 more horse power than 1970 Innocenti J4. (56 HP @ 5600 RPM) In normal driving conditions, 2009 Mazda 3 should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mazda 3 weights approximately 698 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, 2009 Mazda 3 (203 Nm @ 4500 RPM) has 121 more torque (in Nm) than 1970 Innocenti J4. (82 Nm @ 2000 RPM). This means 2009 Mazda 3 will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
| 1970 Innocenti J4 | 2009 Mazda 3 | |
| Make | Innocenti | Mazda |
| Model | J4 | 3 |
| Year Released | 1970 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 2260 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 56 HP | 154 HP |
| Engine RPM | 5600 RPM | 6500 RPM |
| Torque | 82 Nm | 203 Nm |
| Torque RPM | 2000 RPM | 4500 RPM |
| Engine Bore Size | 64.6 mm | 87.5 mm |
| Engine Stroke Size | 83.7 mm | 94 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 852 kg | 1550 kg |
| Vehicle Length | 3720 mm | 4550 mm |
| Vehicle Width | 1540 mm | 1760 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2380 mm | 2650 mm |
