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Not Sold

1955 Armstrong Siddeley Sapphire

United Kingdom • 13 May 2026 • Lot Lot 58

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Vehicle Details

AI Listing Summary

This 1955 Armstrong Siddeley Sapphire is a restoration project with just four former owners, accompanied by historical documentation. It features a 3,435cc engine, manual gearbox, and a grey with red leather upholstery.

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Condition 

3

The car is listed as a restoration project that needs recommissioning or a full restoration to return it to its former glory. There may be extensive cosmetic damage or mechanical issues that compromise safety and functionality. Requires substantial reconditioning.

/ 10

Transmission:

Manual

Chassis No:

344888

Odometer:

[Odometer Reading]

Reg Number:

899XWA

RHD/LHD:

[RHD/LHD]

Description Restoration project; 3,435cc engine; includes a green continuation log book, owner’s handbook, workshop manual, and parts list A rare opportunity to acquire an elegant 1950s British luxury saloon.

This Armstrong Siddeley Sapphire presents as a rewarding restoration project with excellent provenance and a strong foundation for recommissioning.

First registered in January 1955, this example has had just four former keepers in total, reflecting a carefully preserved ownership history.

It is finished in grey with red leather upholstery, a classic and highly desirable colour combination that complements the marque’s refined and distinguished character.

Powered by a 3,435cc engine paired with a manual gearbox, the Sapphire delivers the smooth and composed performance expected of Armstrong Siddeley’s flagship saloon of the period.

While currently offered as a restoration project, it remains an appealing candidate for either light recommissioning or a full restoration to retur...

Points of note

£400

Lowest Price (Since 2020)

£3,226

Median Price (Since 2020)

£9,520

Highest Price (Since 2020)

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Rare Sale

This vehicle comes to market rarely. In auction records we've only seen 9 sold before

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Previous Sales

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