A collapsible or foldable cart, shopping cart, utility cart or supermarket cart. The cart includes: a basket mounted on top of a plurality of wheels; and a bridge element to engage with an edge of a vehicular trunk. The bridge element is connected at a point located between the basket and the wheels. The bridge element is moveable on one or more fixed rails that are connected within the cart underneath the basket substantially in parallel to an axis of the basket. The rails are an integral part of the cart and are not fixedly attached to the vehicular trunk.