The Hustler was a Mini-based project designed in 1978 by Aston Martin Lagonda designer William Towns and later developed into a kit car by his Interstyl design studio.

The original version used upper and lower square-section steel frames, clad with glass fibre panels and large flat glass windows. On most models sliding side windows acted as doors. It used the front and rear sub frames and mechanical components from the British Leyland Mini, Metro or BMC1100/1300. The Hustler came in four and six wheel versions: the six wheel version used two Mini rear sub frame assemblies. The style was very much off-road/utility in the rectilinear idiom of the Lagonda and Bulldog.

At the 1981 Earl’s Court Motor Show, a wooden version was introduced, using marine plywood and solid wood as both structure and body. Shortly afterwards, a sportier version was also introduced, using the same lower steel structure but with an upper structure with less height. An open-topped version, the Sport, was introduced at about the same time. The vehicle kits were sold directly from William Towns’ home at Stretton-on-Fosse, near Moreton-in-Marsh, Gloucestershire, where his design studio was based.

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