Diesel Place : Chevrolet and GMC Diesel Truck Forums - View Single Post - What kind of hwy mileage are people getting?
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Old 04-09-2019, 10:41 AM   #64 (permalink)
High Compression
Join Date: Sep 2015
Posts: 26

Pulled the boat 400 miles round trip 65mph to 75mph and got 11.7. This is with a 18ft. boat. Scares me about thinking what I will get with the 35ft 5th wheel. I now have 2500 miles on the truck. Just doesn't seem right after pulling with my 2015!
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