1951 Allard P1 vs. 1955 Armstrong Siddeley Sapphire
To start off, 1955 Armstrong Siddeley Sapphire is newer by 4 year(s). Which means there will be less support and parts availability for 1951 Allard P1. In addition, the cost of maintenance, including insurance, on 1951 Allard P1 would be higher. At 3,622 cc (8 cylinders), 1951 Allard P1 is equipped with a bigger engine.
Compare all specifications:
| 1951 Allard P1 | 1955 Armstrong Siddeley Sapphire | |
| Make | Allard | Armstrong Siddeley |
| Model | P1 | Sapphire |
| Year Released | 1951 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 3622 cc | 3435 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 0 HP | 125 HP |
