A vehicle having a space filling panel including a polystyrene layer, a polyurethane layer, and a polyethylene cover where the polyethylene cover forms a vacuum sealed space. The polystyrene layer andthe polyurethane layer are both positioned in the polyethylene cover's vacuum sealed space. In another embodiment, a space filling panel for a vehicle includes a polystyrene layer comprising a plurality of polyurethane chips. The polystyrene layer having the plurality of polyurethane chips is enclosed in a vacuum sealed space formed by a polyethylene cover.