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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At 65 highway with that size FW I'd bet on 9-10. The new DEF equipped diesels get close to the mileage of the older pre-emission diesels, with a lot more power and in much nicer trucks.
