I have a 2008 Grand Cherokee Diesel for Sale! It has higher miles than the ones you mention, but it is a one-owner, dealer-maintained, loaded Overland. I have driven it daily to work since I purchased it in 2008 from a local dealer. My opinion is this on the new Jeep GC Eco Diesels you have to wait until year two or three before jumping in. I waited on mine until the second full year to give time for the factory service bulletins and modifications to catch up and this was with a Mercedes built diesel and not a Motori. This engine has been put in many different vehicles by Mercedes, Dodge, Freightliner. At least, this is my own opinion.You can see my Jeep on the Jeep forum website under classifieds. Not trying to sell you anything. But, I am the only driver of my Jeep and she has been outstanding! I have looked at the new GC's diesels, but I opted for a full size truck as I needed more cargo capacity. But, I can say that the Jeep is absolutely awesome in snow as we just had a rare 8" snowfall here in the south. Good luck in your search.