Stock, no mods, 2019 2500 power wagon w/55k miles. I have never seen better than 13.2 mpg on my truck since new. I typically avg 12.5 on my daily drive. Mpg doesn’t bother me, but cost per gallon has doubled since 2019. For what it’s worth, my 2015 silverado 4x4 1500 was getting 17mpg and my...