1973 Innocenti J4 vs. 2008 Mazda 3
To start off, 2008 Mazda 3 is newer by 35 year(s). Which means there will be less support and parts availability for 1973 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1973 Innocenti J4 would be higher. At 1,999 cc (4 cylinders), 2008 Mazda 3 is equipped with a bigger engine. In terms of performance, 2008 Mazda 3 (148 HP @ 6000 RPM) has 92 more horse power than 1973 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 2008 Mazda 3 should accelerate faster than 1973 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mazda 3 weights approximately 430 kg more than 1973 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, 2008 Mazda 3 (187 Nm @ 4500 RPM) has 104 more torque (in Nm) than 1973 Innocenti J4. (83 Nm @ 2500 RPM). This means 2008 Mazda 3 will have an easier job in driving up hills or pulling heavy equipment than 1973 Innocenti J4.
Compare all specifications:
| 1973 Innocenti J4 | 2008 Mazda 3 | |
| Make | Innocenti | Mazda |
| Model | J4 | 3 |
| Year Released | 1973 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 1999 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 56 HP | 148 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 83 Nm | 187 Nm |
| Torque RPM | 2500 RPM | 4500 RPM |
| Engine Bore Size | 64.6 mm | 87.5 mm |
| Engine Stroke Size | 83.7 mm | 83.1 mm |
| Engine Compression Ratio | 21.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 880 kg | 1310 kg |
| Vehicle Length | 3720 mm | 4430 mm |
| Vehicle Width | 1540 mm | 1760 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2380 mm | 2650 mm |
