A portable cooking system is provided and includes a guide member and a cooking device supported by the guide member, wherein the cooking device engages and is movable along the guide member between a first cooking device position, in which the cooking device is at least partially positioned within a vehicle, and a second cooking device position, in which the cooking device is spaced-apart from and external of the vehicle. The cooking device may be a grill. The guide member may be at least partially supported by the vehicle when the guide member is in both the first guide member position and the second guide member position. Alternatively, the guide member may be supported by the vehicle when the guide member is in the first guide member position and may not be supported by the vehicle when the guide member is in the second guide member position.