The Autotrix was a British three wheeled cyclecar manufactured by Edmunds and Wadden in Weybridge, Surrey between 1911 and 1914. Cyclecars were small, generally inexpensive cars manufactured mainly between 1910 and 1923. ... Map of Weybridge (from OpenStreetMap. ...

Two version of the car were advertised both with air cooled JAP engines. The smaller version had a 4 hp engine and belt drive and the larger a 9 hp unit and chain drive. A water cooled 6 hp Fafnir engine was offered as an alternative in the larger car.