We have the same 22 JLUR and after 34,000 miles the stop and go average is 23 and 27 on the highway. All depends on how hard you push the skinny pedal.
When I change oil I always take that plastic cover off so I can clean around the base of the oil fill. There is always a ring of dirt on the fill tube that could easily fall into the engine when adding oil. The design of that oil fill cap is not good. It should completely cover the top of the...
I carry a Silky F180 folding hand saw. It easily cuts that size and weighs less than a pound. I cut a 12 inch diameter tree blocking a trail the other day with it in just a few minutes. Trail snacks are necessary to keep my "battery" charged. ;)
The leg between Denver and Monument Valley is going to be the most beautiful in my opinion and highly recommend trading one of the nights at Grand Canyon for a stop near Moab so you can take more of it in.