A vehicle slide-up to increase interior space within a vehicle, the vehicle slide-up comprising: a vehicle roof with an aperture; a lift-up roof that covers the aperture; a support portion for raising and lowering the lift-up roof, the support portion comprising: an upper pair of rails and a lower pair of rails; a plurality of support mechanisms; and at least one lift mechanism; a plurality of slide-up walls, wherein a top portion of the plurality of slide-up walls is attached to an underside of the lift-up roof and a bottom portion of the plurality of slide-up walls is attached to a rim of the aperture; wherein the support portion is positioned outside of the plurality of slide-up walls. Wherein the lift-up roof is comprise of a first layer, a second layer, and a core; wherein the core is sandwiched between the first and second layers.