A collapsible shopping cart apparatus allows a person to load and unload items from a vehicle without having to remove the items from a shopping cart. The apparatus includes a plurality of panels including a back panel, a bottom panel, a front panel and a pair of side panels. A frame is coupled to and extends around a perimeter edge of the bottom panel. The frame and the plurality of panels define a basket. A plurality of legs is coupled to the frame. Each of the legs is pivotable relative to the frame between a use position and a storage position. A plurality of swivelable casters is configured for contacting a ground surface when the legs are in the use position. Each of the casters is coupled to a bottom end of an associated one of the legs.