Duramax L5P Fuel Mileage
Anyone have any real world experience with the fuel economy of the new GM L5P Duramax in a 3500 DRW?
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Here you can look at my Fully page, 2018 GMC Denali 3500 srw 4x
L5P fuel logs
Love my L5P, its been flawless!
L5P fuel logs
Love my L5P, its been flawless!
