
Armstrong Siddeley Sapphire 234 1955–1958

Armstrong Siddeley Sapphire | |
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![]() Sphinx symbol of silence
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Overview | |
Manufacturer | Armstrong Siddeley Motors Limited |
Production | 1952–1960 3½ litre 7,697 4 litre 981 2¼ litre 1,406 Total 10,084 built |
Body and chassis | |
Class | executive |
Chronology | |
Successor | none |
The Armstrong Siddeley Sapphire is a large automobile which was produced by the British company, Armstrong Siddeley Motors Limited, from 1952 to 1960.
A distinctive element of the Sapphires was the traditional Armstrong Siddeley V-shaped radiator grille with the Sphinx motif mounted on it.
On some models the sphinx sported aircraft wings carrying tiny Armstrong Siddeley Sapphire jet engines.
Sapphire 234
Sapphire 234 | |
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![]() Sapphire 234 sports saloon registered 1958
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Overview | |
Production | 1955–1958 803 made |
Body and chassis | |
Body style | 4-door saloon |
Layout | Front-engine, rear-wheel drive |
Related | Sapphire 236 |
Powertrain | |
Engine | 2,290 cc Straight-4 |
Transmission | Manual with optional overdrive |
Dimensions | |
Wheelbase | 111 inches (2,819 mm) |
Length | 180 inches (4,572 mm) |
Width | 68.5 inches (1,734 mm) |
The Sapphire 234 and 236 were two cars identical in appearance but sold with different engines having different performance characteristics. The 234 could be purchased with wire wheels as an optional extra.
The 234 was produced from 1955 to 1958 and used a four-cylinder 2,290 cc version of the 346 engine. The transmission was a manual four-speed gearbox with optional overdrive.
A 100 mph car intended for the man who liked high performance.
803 were produced.
Sapphire 234 engine | |
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Overview | |
Manufacturer | Armstrong Siddeley Motors Limited |
Combustion chamber | |
Configuration | 4-cylinder in-line |
Displacement | 2,290 cubic centimetres (140 cu in) |
Cylinder bore | 90 mm (3.5 in) |
Piston stroke | 90 mm (3.5 in) |
Valvetrain | OHV |
Compression ratio | 7.5:1 |
Combustion | |
Fuel system | Twin S.U. carburetters |
Fuel type | Petrol |
Cooling system | Water |
Output | |
Power output | 120 bhp (89 kW; 120 PS) |