1962 Alfa Romeo Spider vs. 1956 Armstrong Siddeley Sapphire
To start off, 1962 Alfa Romeo Spider is newer by 6 year(s). Which means there will be less support and parts availability for 1956 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1956 Armstrong Siddeley Sapphire would be higher. At 2,582 cc (6 cylinders), 1962 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1962 Alfa Romeo Spider (163 HP @ 5900 RPM) has 78 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM). In normal driving conditions, 1962 Alfa Romeo Spider should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1956 Armstrong Siddeley Sapphire weights approximately 30 kg more than 1962 Alfa Romeo Spider.
Let's talk about torque, 1962 Alfa Romeo Spider (220 Nm @ 4000 RPM) has 60 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1962 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1962 Alfa Romeo Spider | 1956 Armstrong Siddeley Sapphire | |
| Make | Alfa Romeo | Armstrong Siddeley |
| Model | Spider | Sapphire |
| Year Released | 1962 | 1956 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 2307 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 163 HP | 85 HP |
| Engine RPM | 5900 RPM | 4400 RPM |
| Torque | 220 Nm | 160 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Engine Bore Size | 83 mm | 70 mm |
| Engine Stroke Size | 79.6 mm | 100 mm |
| Engine Compression Ratio | 9.0:1 | 7.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1330 kg | 1360 kg |
| Vehicle Length | 4510 mm | 4580 mm |
| Vehicle Width | 1610 mm | 1730 mm |
| Vehicle Height | 1390 mm | 1570 mm |
| Wheelbase Size | 2510 mm | 2900 mm |
