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Chevy 2500 4x4 with 6.0

2312 Views 11 Replies 9 Participants Last post by  subsea78
I know this has been asked before but I want to do it one more time. I'm fixing to pull the trigger on a 2008 Chevy 2500 4x4 with the 6.0. It has 3:73 gears and the 6spd auto. What kind of mileage can I expect out of this truck? Not worried about towing so much because I know the mileage will suck. More worried about highway, I have a 50 mile drive to work.

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I have a 2008 Chevy 2500hd crew cab swb z71 and it has 6,500 mile on it I was getting about 12.5 to 13 some what city milage. I never get to check the hwy milage because i am always towing my boat on the highway. I just put a Hypertech programer on it 2 weeks ago and have only run 1 tank of gas thru it since then and it gave me 1.5 mpg better. I am filling up when I leave work today and will post what the last tank got.
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