1951 Allard J2 vs. 1951 Opel Olympia
To start off, both 1951 Allard J2 and 1951 Opel Olympia were released in the same year (1951). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,415 cc (8 cylinders), 1951 Allard J2 is equipped with a bigger engine.
Compare all specifications:
| 1951 Allard J2 | 1951 Opel Olympia | |
| Make | Allard | Opel |
| Model | J2 | Olympia |
| Year Released | 1951 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 5415 cc | 1488 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 158 HP | 0 HP |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 3780 mm | 4060 mm |
| Vehicle Width | 1730 mm | 1570 mm |
