1955 Armstrong Siddeley Sapphire vs. 1957 Porsche 550 A
To start off, 1957 Porsche 550 A is newer by 2 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 2,309 cc (6 cylinders), 1955 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1957 Porsche 550 A (108 HP @ 7200 RPM) has 23 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1957 Porsche 550 A 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 754 kg more than 1957 Porsche 550 A.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1957 Porsche 550 A | |
| Make | Armstrong Siddeley | Porsche |
| Model | Sapphire | 550 A |
| Year Released | 1955 | 1957 |
| Engine Position | Front | Rear |
| Engine Size | 2309 cc | 1498 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 85 HP | 108 HP |
| Engine RPM | 4400 RPM | 7200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1360 kg | 606 kg |
| Vehicle Length | 4580 mm | 3960 mm |
| Vehicle Width | 1730 mm | 1680 mm |
| Vehicle Height | 1570 mm | 1230 mm |
| Wheelbase Size | 2900 mm | 2110 mm |
