Real MPG numbers?

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April 9th, 2015, 8:47 PM

#11

darkgoatracer

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I average 15.6 with a 6.0 and a 6 speed tranny. that's about 50/50 city and highway

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April 11th, 2015, 10:02 PM

#12

dberladyn

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I can't see that... are you sure? 15mpg with a 6.0? Perhaps it never works, but I just can't see it. My 4.8 is stays right at 20L/100Km, and that's 12mpg I believe.

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April 12th, 2015, 9:02 AM

#13

tsbrewers

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I average 13.5-14 with my 6.0L. My best is 14.9 That is an older one ('06)

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April 13th, 2015, 10:14 PM

#14

canucklehead

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The newer the truck the more horsepower it seems. That means worse economy.
I wish they made a plain jane 4.8 with 240 horse that got 20 mpg on the hwy. Instead of pushing over 300 hp out of it....