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What mileage can one expect from a 6.5 auto?

Discussion in '1982-Present GM Diesel' started by laketex, Nov 11, 2001.

  1. laketex

    laketex 3/4 ton status

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    Posting this in the truck forum as well, but I need to know the mileage I can expect with a truck I'm looking at. Specs out as this:
    '91 C3500 crew cab duallie
    6.5 Diesel engine
    Auto tranny
    Gears unknown
    104K miles

    And also, do you think $4200 is a good deal? This will be a tow rig and daily driver. I wanted 4x4 but all the 4wds in my price range seem to be trashed. Thanks.

    Sherman, Tx
    <font color=red>The blazer's almost on the road....anyone got tree fiddy?</font color=red>
     
  2. chevyracing

    chevyracing 1/2 ton status

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    Laketex,
    MUDNUTT just bought a chevy 3500 6.5 turbo 4x4, I think it is a 95 and he is getting about 13 MPG with his. I have a 99 Dodge 1 ton Duallie 4x4 Cummins and I get around 13 with it too.

    John



    Like to go sloppin' 'round in da mud in a rapid fashion....=)

    <a target="_blank" href=http://coloradok5.com/gallery/albun31?&page=1>See my pics here</a>
     
  3. MUDNUTT

    MUDNUTT 1/2 ton status

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    yep, 13 is what im getting.

    <font color=blue>DRIVE IT LIKE YOU STOLE IT[​IMG]
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  4. laketex

    laketex 3/4 ton status

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    so maybe I can expect 14 or 15 since it's a 2wd? A little lower than i wanted, but thanks for the info.

    Sherman, Tx
    <font color=red>The blazer's almost on the road....anyone got tree fiddy?</font color=red>
     
  5. Russell Keys

    Russell Keys 1/2 ton status

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    My boss has a 1994 with an auto and 4.10 rear and he gets around 16-18 if he keeps it between 70-75mph. But if you can get 14-15 you're doing pretty good considering how much truck you're pulling around.
     
  6. Arizona_Mike

    Arizona_Mike Registered Member

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    My mpg are the same as the above at 16-18 for my 94 3500 4x4, 4.10, 35/12.5/16.5 BFG's KO's and I drive 70-80 mph. keeping it at or under 2500 rpm's
     

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