I've got a 4 week reservation for my family summer holiday starting mid-July. As a Gold Plus PC member, can I reasonably expect a larger SUV (e.g. Ford Explorer) in the President's Circle?

Currently I have an MVAR reservation as a minivan initially seemed liked the best option for me my wife and three kids. Later I've also made a PCAR reservation as it was significantly cheaper, and we may be able to get a large SUV or minivan from the PC anyway.