GMC Sierra 3500 diesel dually MPG
I’m thinking about buying a truck and a 20k 5er, and wanted to get an idea of mpg. If I’m traveling on the highways at 65 mph, do you have an idea on the mpg I might get. I’m hoping others have a ...
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With that much weight I would say 8-10. I’d be shocked to see it above 10, and I wouldn’t be surprised if it dips slightly below 8 if you are bucking wind.
