A vehicle workbench assembly for the exterior side of a truck bed is provided. The vehicle workbench assembly includes an integral workbench pivotably connected to the exterior side of the truck bed so as to move between a latched position nested in a sidewall cavity of the exterior side of the truck bed and an operable position perpendicularly extending therefrom. The integral workbench provides a wheel gap for accommodating the trucks wheel or wheel well in the latched position. A wheel gap plate is provided to fill the void of the wheel gap in the operable position.