1947 Opel Olympia vs. 1955 Rover P4
To start off, 1955 Rover P4 is newer by 8 year(s). Which means there will be less support and parts availability for 1947 Opel Olympia. In addition, the cost of maintenance, including insurance, on 1947 Opel Olympia would be higher. At 2,638 cc (6 cylinders), 1955 Rover P4 is equipped with a bigger engine. In terms of performance, 1955 Rover P4 (79 HP @ 4500 RPM) has 43 more horse power than 1947 Opel Olympia. (36 HP @ 3400 RPM) In normal driving conditions, 1955 Rover P4 should accelerate faster than 1947 Opel Olympia.
Compare all specifications:
| 1947 Opel Olympia | 1955 Rover P4 | |
| Make | Opel | Rover |
| Model | Olympia | P4 |
| Year Released | 1947 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 1486 cc | 2638 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 36 HP | 79 HP |
| Engine RPM | 3400 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4030 mm | 4550 mm |
| Vehicle Width | 1510 mm | 1680 mm |
