Anyone have input on a used CX-9?

I want o buy a Mazda, either CX-5 or CX-9. I just found a Mazda CX-9 for sale by owner 2011 Touring model FWD power everything, he is asking $7,500. But it has 136,390 miles on it. One owner pics look really good. I have no idea how many miles it will last and I don't want to have to put in money right off due to something breaking. You may or may not realize, I'm the female type, but I can do some of my own work.

Does anyone have words to help me?

V
 
Couple things. Find out if you need the extra room and third row seating. If you do, then I would maybe avoid the pre 2016 cx9 unless the water pump was replaced.
 
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