The Armstrong Siddeley 4/14 was introduced in 1923 as the lowest price model in the Armstrong Siddeley range. The car was in production until 1929 after a total of 13,365 vehicles had been produced.
The most obvious distinguishing feature is the that it has a flat, rather than a V-shaped radiator used on the 18 and 30 HP cars. It also had a four cylinder engine and was initially only available with a touring body.
The 14.4 hp 'Four-Fourteen' was the firm's first four-cylinder model, all previous Armstrong-Siddeley's having been six cylinder cars. The overhead-valve engine displaced 1852cc and drove the wheels via a single dry-plate clutch, in-unit three-speed gearbox and spiral bevel axle.
Mechanically the cars were conventional for the period, with quarter-elliptic springs all round at first (semi-elliptic later) and mechanical brakes, the latter being fitted to all four wheels from mid-1925.
In common with other A-S chassis, the various models were name after well-known places in Britain, with prices ranging from £360 up to £485. The bodies available were the Mendip tourer, the Cotswold Open Tourer, the Sandown Special Tourer, the Broadway Saloon, the Manston Fabric Saloon, the Lonsdale Saloon, the Lynton Saloon Landaulette, the Grasmere Landaulette and the Curzon Coupe.
1925 saw the introduction of 4 wheel brakes, an increase in the petrol tank capacity from 6 to 8 gallons and an increase in underbody clearance.
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