I had a green 2001 Saturn L300 delivered to my dealer and when I went to pick it up I was told that one of the department managers had taken it as a dealer car. So they found me another car and had it transported 125 miles to my town and it got wrecked on the trip. Finally, had a silver L300...
Why would you care about navigation? They charge an arm and a leg for updates, at least they used to. Your phone with CarPlay will suit anyone just fine for navigation using either Apple Maps or Google Maps.
It seems to me that if you’re willing to order a brand new model with this much interest, you better be willing to wait. If you need it now, find something on a dealer lot, Maverick or not.