a passenger vehicle which can be converted from snow to road to water use includes a generally rectangular frame with fabric panels on the frame defining a seat for the passenger . a generally horizontal front platform is connected to the front cross member and can tilt front to rear and side to side and a symmetrical rear platform is connected to the rear cross member . front and rear ski assemblies are arranged for attachment to the front and rear platforms for movement therewith and for steering movement relative thereto operated by steering levers . the skis can have wheels attached for road use and the skis can be removed and replaced by annular float tubes for water use . cross links communicated steering movement of the front support to the rear or the rear can be locked .