2015 Chev 2500HD mpg
For those it interests::: We took off a couple months ago and hit primarily the Colorado, Wyoming, Montana, N Dakota ... mostly Rockies. Dropped the 265 stock tires (they sucked) and installed...
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That's about what I get with mine running the same tires but 275/70/R18. Truck rides nice and quiet with 20,000 miles on the tires and still have half the tread.
Sounds like a nice trip.
Sounds like a nice trip.
