1970 Innocenti J4 vs. 2005 Mazda 6
To start off, 2005 Mazda 6 is newer by 35 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), 2005 Mazda 6 is equipped with a bigger engine. In terms of performance, 2005 Mazda 6 (119 HP @ 3500 RPM) has 63 more horse power than 1970 Innocenti J4. (56 HP @ 5600 RPM) In normal driving conditions, 2005 Mazda 6 should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mazda 6 weights approximately 636 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, 2005 Mazda 6 (323 Nm @ 2000 RPM) has 241 more torque (in Nm) than 1970 Innocenti J4. (82 Nm @ 2000 RPM). This means 2005 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 | 2005 Mazda 6 | |
| Make | Innocenti | Mazda |
| Model | J4 | 6 |
| Year Released | 1970 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1098 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 | 5600 RPM | 3500 RPM |
| Torque | 82 Nm | 323 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 64.6 mm | 86 mm |
| Engine Stroke Size | 83.7 mm | 86 mm |
| Engine Compression Ratio | 9.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 852 kg | 1488 kg |
| Vehicle Length | 3720 mm | 4690 mm |
| Vehicle Width | 1540 mm | 1790 mm |
| Vehicle Height | 1380 mm | 1490 mm |
| Wheelbase Size | 2380 mm | 2630 mm |
