Autotrix was a British car brand that was on the market 1911-1914. Manufacturer was Edmunds and Wadden from Weybridge ( Surrey ).

On offer were three-wheeled cycle cars. There were two versions of this car, both with air-cooled V2 engines from JAP. The smaller car had a 4 bhp ( 2.9 kW ) motor and belt drive to the rear axle. The larger could come up with 9 hp ( 6.6 kW) and chain drive. For these larger version there were alternatively even a water-cooled 6 - bhp ( 4.4 kW ) engine from the Fafnir works.