Originally Posted by KC_GMC
I'm in a 2015 3500 Sierra SRW.
We tow a 38FLSA with it without issues - Truck and Trailer together are 24,160 and I have had Zero issues pulling anywhere I'd like to camp.
Additionally I average (I'm in a duramax/Allison combo truck) about 12.5MPG @ 70mph loaded for camping for a week or two.
We tow a 36kpts pinnacle. Tow vechile 3500 drw .no issues , weight in at
24,450 lbs. Marathon tires gave outside at about 8,000 miles. Off came the marathons and replaced with Lt 235 80 r 16 e michlem xrib. Ifeel much better.
We average 9.5 to 10.5 mi per.