mileage?
hello all, in my 2006 gmc 2500 410 rear 4wd w lance 915 ive been getting around 12mpg for the past 6 yrs ,now im looking to upgrade to a 3500/f 350 maybe a diesil. just curious what kind of mileage a...
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My 2011 2500 4X4 CC 6.6 gave me about 12 ish empty and 9.5 towing our TT which came in around 8000lbs.
