1958 Armstrong Siddeley Star Sapphire vs. 1961 Porsche 804
To start off, 1961 Porsche 804 is newer by 3 year(s). Which means there will be less support and parts availability for 1958 Armstrong Siddeley Star Sapphire. In addition, the cost of maintenance, including insurance, on 1958 Armstrong Siddeley Star Sapphire would be higher. At 3,990 cc (6 cylinders), 1958 Armstrong Siddeley Star Sapphire is equipped with a bigger engine. In terms of performance, 1961 Porsche 804 (182 HP @ 9300 RPM) has 37 more horse power than 1958 Armstrong Siddeley Star Sapphire. (145 HP @ 4250 RPM) In normal driving conditions, 1961 Porsche 804 should accelerate faster than 1958 Armstrong Siddeley Star Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1958 Armstrong Siddeley Star Sapphire weights approximately 1318 kg more than 1961 Porsche 804.
Compare all specifications:
| 1958 Armstrong Siddeley Star Sapphire | 1961 Porsche 804 | |
| Make | Armstrong Siddeley | Porsche |
| Model | Star Sapphire | 804 |
| Year Released | 1958 | 1961 |
| Engine Size | 3990 cc | 1494 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 182 HP |
| Engine RPM | 4250 RPM | 9300 RPM |
| Vehicle Weight | 1778 kg | 460 kg |
