1970 Innocenti J4 vs. 2006 Mazda 6
To start off, 2006 Mazda 6 is newer by 36 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 1,998 cc (4 cylinders), 2006 Mazda 6 is equipped with a bigger engine. In terms of performance, 2006 Mazda 6 (119 HP @ 3500 RPM) has 63 more horse power than 1970 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 2006 Mazda 6 should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mazda 6 weights approximately 630 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, 2006 Mazda 6 (310 Nm @ 2000 RPM) has 227 more torque (in Nm) than 1970 Innocenti J4. (83 Nm @ 2500 RPM). This means 2006 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
| 1970 Innocenti J4 | 2006 Mazda 6 | |
| Make | Innocenti | Mazda |
| Model | J4 | 6 |
| Year Released | 1970 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 56 HP | 119 HP |
| Engine RPM | 5500 RPM | 3500 RPM |
| Torque | 83 Nm | 310 Nm |
| Torque RPM | 2500 RPM | 2000 RPM |
| Engine Compression Ratio | 21.5:1 | 18.3:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 880 kg | 1510 kg |
| Vehicle Length | 3720 mm | 4690 mm |
| Vehicle Width | 1540 mm | 1790 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2380 mm | 2680 mm |
