1970 Innocenti J4 vs. 2007 Subaru Impreza
To start off, 2007 Subaru Impreza 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 1,994 cc (4 cylinders), 2007 Subaru Impreza is equipped with a bigger engine. In terms of performance, 2007 Subaru Impreza (158 HP @ 6400 RPM) has 102 more horse power than 1970 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 2007 Subaru Impreza should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Subaru Impreza weights approximately 465 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.
Because 2007 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 1970 Innocenti J4. In wet, icy, snow, or gravel driving conditions, 2007 Subaru Impreza will offer significantly more control. 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 Subaru Impreza (186 Nm @ 3600 RPM) has 103 more torque (in Nm) than 1970 Innocenti J4. (83 Nm @ 2500 RPM). This means 2007 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
| 1970 Innocenti J4 | 2007 Subaru Impreza | |
| Make | Innocenti | Subaru |
| Model | J4 | Impreza |
| Year Released | 1970 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 56 HP | 158 HP |
| Engine RPM | 5500 RPM | 6400 RPM |
| Torque | 83 Nm | 186 Nm |
| Torque RPM | 2500 RPM | 3600 RPM |
| Engine Bore Size | 64.6 mm | 92 mm |
| Engine Stroke Size | 83.7 mm | 75 mm |
| Engine Compression Ratio | 21.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 880 kg | 1345 kg |
| Vehicle Length | 3720 mm | 4450 mm |
| Vehicle Width | 1540 mm | 1700 mm |
| Vehicle Height | 1380 mm | 1490 mm |
| Wheelbase Size | 2380 mm | 2530 mm |
