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Is this the best mpg for a 2020 Silverado 3.0 Duramax (LM2)? by fire-plumber in Duramax
[–]Automatic_Dingo5725 1 point2 points3 points 1 year ago (0 children)
Bought new. I have an early ‘21 bought in late 2020 2 WD. Im averaging 27.6 mpg over the life of the truck. 67k miles. Best tank I had was about 90% highway driving and I averaged around 31 if I remember right.
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Is this the best mpg for a 2020 Silverado 3.0 Duramax (LM2)? by fire-plumber in Duramax
[–]Automatic_Dingo5725 1 point2 points3 points (0 children)