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Current MPG on 2025 i6 3.0 s/o models???

So my worst MPG calculated by hand is 16.9 mostly highway at 75 MPH with four people and two dogs and our stuff. Some wind. Best is 17.9 at similar speeds. I suspect in summer weather with low wind I'll get 18-19 mpg. Again, not terrible considering I'm only paying for regular and moving 5400lbs of truck thru the air. Heading out tomorrow on another road trip so I'll update again but I'm expecting the same result.
 

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