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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On our first trip with our new truck we avg 11 mpg overall, towing we were getting 9 to 11 mpg.
