1970 Innocenti J4 vs. 2007 Kia Optima
To start off, 2007 Kia Optima is newer by 37 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 2,399 cc (4 cylinders), 2007 Kia Optima is equipped with a bigger engine. In terms of performance, 2007 Kia Optima (162 HP @ 5800 RPM) has 106 more horse power than 1970 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 2007 Kia Optima should accelerate faster than 1970 Innocenti J4.
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, 2007 Kia Optima (222 Nm @ 4260 RPM) has 139 more torque (in Nm) than 1970 Innocenti J4. (83 Nm @ 2500 RPM). This means 2007 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
| 1970 Innocenti J4 | 2007 Kia Optima | |
| Make | Innocenti | Kia |
| Model | J4 | Optima |
| Year Released | 1970 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 2399 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 162 HP |
| Engine RPM | 5500 RPM | 5800 RPM |
| Torque | 83 Nm | 222 Nm |
| Torque RPM | 2500 RPM | 4260 RPM |
| Engine Compression Ratio | 21.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Length | 3720 mm | 4740 mm |
| Vehicle Width | 1540 mm | 1810 mm |
| Vehicle Height | 1380 mm | 1490 mm |
| Wheelbase Size | 2380 mm | 2730 mm |
