1977 Fiat 131 vs. 1955 Rover P4
To start off, 1977 Fiat 131 is newer by 22 year(s). Which means there will be less support and parts availability for 1955 Rover P4. In addition, the cost of maintenance, including insurance, on 1955 Rover P4 would be higher. At 2,230 cc (6 cylinders), 1955 Rover P4 is equipped with a bigger engine. In terms of performance, 1955 Rover P4 (70 HP @ 4500 RPM) has 6 more horse power than 1977 Fiat 131. (64 HP @ 5400 RPM) In normal driving conditions, 1955 Rover P4 should accelerate faster than 1977 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 1955 Rover P4 weights approximately 380 kg more than 1977 Fiat 131. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1955 Rover P4 (153 Nm @ 1750 RPM) has 51 more torque (in Nm) than 1977 Fiat 131. (102 Nm @ 3000 RPM). This means 1955 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 1977 Fiat 131.
Compare all specifications:
| 1977 Fiat 131 | 1955 Rover P4 | |
| Make | Fiat | Rover |
| Model | 131 | P4 |
| Year Released | 1977 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 1297 cc | 2230 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 64 HP | 70 HP |
| Engine RPM | 5400 RPM | 4500 RPM |
| Torque | 102 Nm | 153 Nm |
| Torque RPM | 3000 RPM | 1750 RPM |
| Engine Bore Size | 76.1 mm | 73.1 mm |
| Engine Stroke Size | 71.5 mm | 88.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1020 kg | 1400 kg |
| Vehicle Length | 4270 mm | 4540 mm |
| Vehicle Width | 1660 mm | 1680 mm |
| Vehicle Height | 1370 mm | 1620 mm |
| Wheelbase Size | 2500 mm | 2830 mm |
