1955 Armstrong Siddeley Sapphire vs. 1959 Porsche 718
To start off, 1959 Porsche 718 is newer by 4 year(s). Which means there will be less support and parts availability for 1955 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1955 Armstrong Siddeley Sapphire would be higher. At 3,435 cc (6 cylinders), 1955 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1959 Porsche 718 (148 HP @ 8200 RPM) has 23 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 1959 Porsche 718 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 1290 kg more than 1959 Porsche 718.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1959 Porsche 718 | |
| Make | Armstrong Siddeley | Porsche |
| Model | Sapphire | 718 |
| Year Released | 1955 | 1959 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Middle |
| Engine Size | 3435 cc | 1498 cc |
| Horse Power | 125 HP | 148 HP |
| Engine RPM | 4700 RPM | 8200 RPM |
| Vehicle Weight | 1830 kg | 540 kg |
