The 3.6 in now a longevity proven engine. The verdict is still out on then 2.0. We own two 3.6 engines, one in a 2013 JKR, and the other a 2018 JLR. If I was buying another one today, it would have the 3.6, with a 8 Speed Auto.. Great combination.
Yep, we have a lot of fun here in AZ. We have been here for 47 years, and just couldn't imagine living anyplace else. The Desert is a great place to live. It does get hot mid-May through Sept, but we have a cabin up on the Rim for that time of year.. ;)