Abstract: A barbecue grill assembly including a main cooking chamber, a removable cooking grid positioned within the main chamber above a primary heat source, a frame for supporting the cooking grid and a drawer element connected to and supporting the frame for rollably withdrawing the cooking grid from the main chamber. The assembly also includes an elevator mechanism for raising and lowering the frame and cooking grid without the need to remove any elements from within the main chamber. A rotisserie is also provided removably supported on the frame which facilitates withdrawal of the spit and cooking food held on the spit from the main chamber for attending without the need for handling hot food or spit. An overhead infrared heating element, side grill elements, a warming chamber and other features are also disclosed.