1973 Innocenti J4 vs. 2004 Proton Arena
To start off, 2004 Proton Arena is newer by 31 year(s). Which means there will be less support and parts availability for 1973 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1973 Innocenti J4 would be higher. At 1,468 cc (4 cylinders), 2004 Proton Arena is equipped with a bigger engine. In terms of performance, 2004 Proton Arena (90 HP @ 6000 RPM) has 34 more horse power than 1973 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 2004 Proton Arena should accelerate faster than 1973 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Proton Arena weights approximately 185 kg more than 1973 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, 2004 Proton Arena (126 Nm @ 3000 RPM) has 43 more torque (in Nm) than 1973 Innocenti J4. (83 Nm @ 2500 RPM). This means 2004 Proton Arena will have an easier job in driving up hills or pulling heavy equipment than 1973 Innocenti J4.
Compare all specifications:
| 1973 Innocenti J4 | 2004 Proton Arena | |
| Make | Innocenti | Proton |
| Model | J4 | Arena |
| Year Released | 1973 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 1468 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 56 HP | 90 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 83 Nm | 126 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Vehicle Weight | 880 kg | 1065 kg |
| Vehicle Length | 3720 mm | 4460 mm |
| Vehicle Width | 1540 mm | 1700 mm |
| Vehicle Height | 1380 mm | 1600 mm |
| Wheelbase Size | 2380 mm | 2610 mm |
