1955 Austin A 55 vs. 1970 Innocenti J4
To start off, 1970 Innocenti J4 is newer by 15 year(s). Which means there will be less support and parts availability for 1955 Austin A 55. In addition, the cost of maintenance, including insurance, on 1955 Austin A 55 would be higher. At 1,489 cc (4 cylinders), 1955 Austin A 55 is equipped with a bigger engine. In terms of performance, 1970 Innocenti J4 (56 HP @ 5500 RPM) has 5 more horse power than 1955 Austin A 55. (51 HP @ 4250 RPM) In normal driving conditions, 1970 Innocenti J4 should accelerate faster than 1955 Austin A 55. With that said, vehicle weight also plays an important factor in acceleration. 1955 Austin A 55 weights approximately 175 kg more than 1970 Innocenti J4.
Because 1955 Austin A 55 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1955 Austin A 55. However, in wet, icy, snow, or gravel driving conditions, 1970 Innocenti J4, being front wheel drive (FWD), will offer much better control with better grip. 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, 1955 Austin A 55 (110 Nm @ 2000 RPM) has 27 more torque (in Nm) than 1970 Innocenti J4. (83 Nm @ 2500 RPM). This means 1955 Austin A 55 will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
| 1955 Austin A 55 | 1970 Innocenti J4 | |
| Make | Austin | Innocenti |
| Model | A 55 | J4 |
| Year Released | 1955 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1489 cc | 1097 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 51 HP | 56 HP |
| Engine RPM | 4250 RPM | 5500 RPM |
| Torque | 110 Nm | 83 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1055 kg | 880 kg |
| Vehicle Length | 4250 mm | 3720 mm |
| Vehicle Width | 1570 mm | 1540 mm |
| Vehicle Height | 1570 mm | 1380 mm |
| Wheelbase Size | 2530 mm | 2380 mm |
