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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Similar truck (but a 2012) with the same tire size, similar TC weight and similar fuel mileage.
And yes I keep it in the low 60s for speed.
And yes I keep it in the low 60s for speed.
