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6.0L Vortec...16.7 MPG

Discussion in 'Performance & Fuel' started by Bruiser76, Oct 10, 2008.

  1. Bruiser76

    Bruiser76 New Member

    Hey everyone,

    For anyone considering buying a 6.0L Vortec 2500HD, I just got home from the Candian border (Blaine, WA) and took I-5 to Edmonds, WA. When I filled up in Edmonds, I used 5.4 gallons to go 90.2 miles. which works out to about 16.7 MPG. I was happy with this number. Hope this helps for anyone wondering.
  2. Bruiser76

    Bruiser76 New Member

    By the way...my truck is stock.
  3. zach45

    zach45 Epic Member 5+ Years 100 Posts

    with my rims tires i get a little less on the hwy
    thats good for a 2500
  4. GaryL

    GaryL Epic Member 5+ Years ROTM Winner 1000 Posts Platinum Contributor

    A friend of mine has an 06 HD 1500 with the 6.0 and 4.11's. He can't get above 12 mpg on the highway. My Dad's 05 Denali has the 6.0 with 3.73's and he gets up around 20 on the highway.
  5. 95CTburb19

    95CTburb19 Epic Member 5+ Years 1000 Posts

    wow that pretty good! :great: Better than i get in my truck.
  6. Bruiser76

    Bruiser76 New Member

    Yeah, I've heard that the 4.11's are no good for MPG's.
  7. dwill3015

    dwill3015 Epic Member 5+ Years ROTM Winner 1000 Posts

    That's great mileage for the 6.0. With a few minor mods you could be pushing 20. The best I am getting right now is 19 with my Duramax 2500HD on 35's.
  8. 04sierracrewcab

    04sierracrewcab Epic Member 5+ Years 1000 Posts

    20 hwy w stock gears, bed cover,exaust, and 31's

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