Armstrong Siddeley Sapphire 234 1955–1958

Sapphire 234 1955–1958 Featured Image
Armstrong Siddeley Sapphire
Armstrong Siddeley motif - Flickr - exfordy (1).jpg
Sphinx symbol of silence
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
Vintage Car - Armstrong Siddeley 234 Sapphire MFF 496 110612 Sandringham.jpg
Sapphire 234 sports saloon registered 1958
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
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)