Diesel Place : Chevrolet and GMC Diesel Truck Forums - View Single Post - What kind of hwy mileage are people getting?
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Old 04-19-2019, 11:18 AM   #70 (permalink)
dslipp
Gear Grinder
 
Join Date: Apr 2019
Posts: 2

25mpg going 55 on flat around with no wind.

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