Did I misunderstand, or did this thread that started out asking about used ML Equinox availability subsequently get hijacked into a discussion about the comparison of the Eqx with its less expensive sister, the ML Vanquish?  😁  OK, I'm as guilty as anyone on this site for shifting gears of a thread.  But here I'm going to go back to the original topic.  This is really about economics and its spinoffs (such as marketing, retail and wholesale sales) which I haven't studied since high school.  But