1971 Alfa Romeo Spider vs. 1955 Armstrong Siddeley Sapphire
To start off, 1971 Alfa Romeo Spider is newer by 16 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, 1971 Alfa Romeo Spider (89 HP @ 6000 RPM) has 4 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM). In normal driving conditions, 1971 Alfa Romeo Spider 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 380 kg more than 1971 Alfa Romeo Spider.
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. Let's talk about torque, 1955 Armstrong Siddeley Sapphire (160 Nm) has 39 more torque (in Nm) than 1971 Alfa Romeo Spider. (121 Nm). This means 1955 Armstrong Siddeley Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1971 Alfa Romeo Spider.
Compare all specifications:
| 1971 Alfa Romeo Spider | 1955 Armstrong Siddeley Sapphire | |
| Make | Alfa Romeo | Armstrong Siddeley |
| Model | Spider | Sapphire |
| Year Released | 1971 | 1955 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1287 cc | 2309 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 89 HP | 85 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 121 Nm | 160 Nm |
| Engine Bore Size | 80 mm | 70 mm |
| Engine Stroke Size | 67.5 mm | 100 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 980 kg | 1360 kg |
| Vehicle Length | 4130 mm | 4580 mm |
| Vehicle Width | 1640 mm | 1730 mm |
| Vehicle Height | 1300 mm | 1570 mm |
| Wheelbase Size | 2260 mm | 2900 mm |
