The Armstrong Siddeley Short 17 was and automobile produced between 1935 and 1939. A total of 4,260 vehicles were produced (including the Long 17).

By the mid 1930's the side-valve engines had been developed as far as possible. In the search for new performance, an overhead valve 17HP model was produced to replace the 15HP. Drive was via an open propeller shaft and a separately mounted gearbox. Petrol consumption was around 19mpg.

The cars were fitted with a six-cylinder 2394cc engine that was rated at 17 hp. The engine had a bore/stroke of 67mm/114mm and produced a maximum quoted power output of 60 bhp at 3,300rpm. This have the Short 17 a maximum speed of 73 mph.

Body styles available included a coupe, saloon and sports saloon. Initially, the gear change pedal was used as a clutch with a centrifugal clutch becoming available in 1937. Radius arms were used to relieve the front springs of braking stresses. In line with current practice, box section side rails were used for the chassis to increase stiffness. The Short 17 had a wheelbase of 9' 3".

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Armstrong Siddeley vehicles