Chevy and GMC Duramax Diesel Forum

Chevy and GMC Duramax Diesel Forum (
-   06-07 LBZ & LLY Duramax Powertrain (
-   -   what kind of mileage can i expect? (

312InchMagnum 03-26-2010 03:10 PM

what kind of mileage can i expect?
going to look at an 06 lbz tomorrow with 78k miles...i would much rather 50k or under...this is my first diesel so i know high mileage is not as big of a deal, but is 78k that big of a deal?...i take exceptional care of my vehicles...what kind of mileage can i expect out of an lbz?

WisconsinHick1 03-26-2010 03:12 PM

You should be able to get 16-18 if you remove the CAT and put in a programmer as long as you don't have a big lift and big tires.

312InchMagnum 03-26-2010 03:13 PM

thanks wisconsin...but i meant what kind of long term mileage...not fuel mileage

WisconsinHick1 03-26-2010 03:15 PM

Well as long as your not hard on it I can for see 300k with no major problems.

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