1975 Alfa Romeo Junior vs. 1957 Rover P4
To start off, 1975 Alfa Romeo Junior is newer by 18 year(s). Which means there will be less support and parts availability for 1957 Rover P4. In addition, the cost of maintenance, including insurance, on 1957 Rover P4 would be higher. At 1,997 cc (4 cylinders), 1957 Rover P4 is equipped with a bigger engine. In terms of performance, 1975 Alfa Romeo Junior (108 HP @ 6000 RPM) has 57 more horse power than 1957 Rover P4. (51 HP @ 4000 RPM). In normal driving conditions, 1975 Alfa Romeo Junior should accelerate faster than 1957 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1957 Rover P4 weights approximately 350 kg more than 1975 Alfa Romeo Junior.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1975 Alfa Romeo Junior (140 Nm @ 2800 RPM) has 2 more torque (in Nm) than 1957 Rover P4. (138 Nm @ 2000 RPM). This means 1975 Alfa Romeo Junior will have an easier job in driving up hills or pulling heavy equipment than 1957 Rover P4.
Compare all specifications:
| 1975 Alfa Romeo Junior | 1957 Rover P4 | |
| Make | Alfa Romeo | Rover |
| Model | Junior | P4 |
| Year Released | 1975 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 1568 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 51 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 140 Nm | 138 Nm |
| Torque RPM | 2800 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1030 kg | 1380 kg |
| Vehicle Length | 3910 mm | 4550 mm |
| Vehicle Width | 1560 mm | 1680 mm |
| Vehicle Height | 1290 mm | 1620 mm |
| Wheelbase Size | 2260 mm | 2830 mm |
