Best guess as to fuel mileage on these trucks
Gang - I am trying to put a pencil to my options and as such am trying to figure out what each of the following would get as combined MPG for my spreadsheet. In an effort to compare apples to apple...
Forum Discussion
Ralph Cramden wrote:
2015 GMC Sierra 4WD SLE 6.0 Double Cab 8' bed.
In 32K miles, real numbers, calculated.
Driving it like I stole it.
Highway average 15.3
City Average 10.2
Towing Average 7.7 towing 6500 lb trailer with bed full of firewood and gear, canoe or kayak on roof, in PA where everything is either up or down.
BTW, you may want a RAM w/Cummins!
My 2018 is identical. Towing mileage sucks but that 6.0 pulls!!!
