An expandable car jack including a base with a first base extension member and a second extension member rotatably, removably, and directly coupled to one another, the first and second base extension members operably configured to rotate with respect to one another to define a planar lower support surface forming an x-shape or a substantially perpendicular configuration. The expandable car jack may also include a plurality of hinged members supported by the base, wherein the plurality of hinged members define a lifting surface and are coupled together with a screw, the screw operably configured to rotate, expand and contract a width separating the plurality of hinged members, and place the lifting surface at a plurality of raised height positions.