How good will it get?
A year ago, my then new 2013 Silverado 6.0 pickup was getting about 12mpg and I was not happy. Last Spring it started averaging close to 13 mpg. This fall, with 15,000 miles on the odometer it is ge...
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Wow getting off track and into a pi..sing match, don't need that. Anyway to the other poster about his son in laws 6.0 getting bad fuel milage. Yep I agree with u, he should get it checked out. I know that my truck is not really fuel efficient by any means but good for a HD gas truck. Pass him the numbers I stated that I'm getting hand calculated. He just may make a trip to the dealer afterwards. One thing I noticed though... Some gas in the winter months (if u call it that in Florida) getting slightly less in mpgs in my truck. Maybe his is similar.
