Classic Car Catalogue

Armstrong Siddeley 1955

Great Britain

Sapphire 3.4 litre / 346 (R6, ohv, 3435cc, 120/150bhp) (saloon – wb:9'6'')
Sapphire 346 (R6, ohv, 3435cc, 120bhp) (limousine – wb:11'1'') – new version
Sapphire 234 (R4, ohv, 2290cc, 120bhp) (saloon – wb:9'3'') – new model
Sapphire 236 (R6, ohv, 2309cc, 85bhp) (saloon – wb:9'3'') – new model

Sapphire 236 & 234


Armstrong Siddeley Sapphire 346 luxury saloon is powered by a six-cylinder, 3.4-litre engine. Mark II version features a number of modifications including flashing trafficators, rubber stoneguards, larger brake drums, automatic light switches for bonnet and boot and additional dash warning lights; automatic transmission are optionally available. It became the first British car to list power-assisted steering as an optional extra, in the summer of 1955. Limousine is a long-wheelbase seven/ eight-seater version, mechanically similar to the 346 saloon but some 5 cwt heavier, 19 in longer and 2 in higher. Wheelbase is 133 in (114 in on the Saloon). Tyre size is 7.00-16 in.

Sapphire 234 and 236 Sapphire built alongside the 346 from 1955, these two models ran concurrently. The 234 uses a four cylinder 100 bhp version of the 346 engine. The 236 uses the 85 bhp 2309cc engine from the discontinued Whittley.
The 234 has 100 mph top speed and the 236 has only 82 mph. Standard gearbox in the 234 is four speed with overdrive, and in the 236, Manumatic auto, but owners could specify. Both has floor mounted gear shifts and wire wheels are optional. The full width saloon body is spacious and well appointed