1947 Rover P2 vs. 1956 Rover P4
To start off, 1956 Rover P4 is newer by 9 year(s). Which means there will be less support and parts availability for 1947 Rover P2. In addition, the cost of maintenance, including insurance, on 1947 Rover P2 would be higher. At 1,997 cc (4 cylinders), 1956 Rover P4 is equipped with a bigger engine. In terms of performance, 1956 Rover P4 (51 HP @ 4000 RPM) has 4 more horse power than 1947 Rover P2. (47 HP @ 4600 RPM) In normal driving conditions, 1956 Rover P4 should accelerate faster than 1947 Rover P2. With that said, vehicle weight also plays an important factor in acceleration. 1947 Rover P2 weights approximately 42 kg more than 1956 Rover P4.
Compare all specifications:
| 1947 Rover P2 | 1956 Rover P4 | |
| Make | Rover | Rover |
| Model | P2 | P4 |
| Year Released | 1947 | 1956 |
| Engine Size | 1577 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 47 HP | 51 HP |
| Engine RPM | 4600 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1422 kg | 1380 kg |
