1966 Alfa Romeo Spider vs. 1953 Armstrong Siddeley Sapphire
To start off, 1966 Alfa Romeo Spider is newer by 13 year(s). Which means there will be less support and parts availability for 1953 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1953 Armstrong Siddeley Sapphire would be higher. At 3,435 cc (6 cylinders), 1953 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1966 Alfa Romeo Spider (163 HP @ 5900 RPM) has 38 more horse power than 1953 Armstrong Siddeley Sapphire. (125 HP @ 4400 RPM). In normal driving conditions, 1966 Alfa Romeo Spider should accelerate faster than 1953 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1953 Armstrong Siddeley Sapphire weights approximately 245 kg more than 1966 Alfa Romeo Spider.
Let's talk about torque, 1953 Armstrong Siddeley Sapphire (239 Nm @ 1000 RPM) has 19 more torque (in Nm) than 1966 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 1953 Armstrong Siddeley Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1966 Alfa Romeo Spider.
Compare all specifications:
| 1966 Alfa Romeo Spider | 1953 Armstrong Siddeley Sapphire | |
| Make | Alfa Romeo | Armstrong Siddeley |
| Model | Spider | Sapphire |
| Year Released | 1966 | 1953 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 3435 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 163 HP | 125 HP |
| Engine RPM | 5900 RPM | 4400 RPM |
| Torque | 220 Nm | 239 Nm |
| Torque RPM | 4000 RPM | 1000 RPM |
| Engine Compression Ratio | 9.0:1 | 7.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1330 kg | 1575 kg |
| Vehicle Length | 4510 mm | 4910 mm |
| Vehicle Width | 1610 mm | 1840 mm |
| Vehicle Height | 1390 mm | 1610 mm |
| Wheelbase Size | 2510 mm | 2900 mm |
| Fuel Tank Capacity | 46 L | 72 L |
