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GMC Sierra 3500 MPG

78 GMC Sierra 3500s have provided 693 thousand miles of real world fuel economy & MPG data.
Click here to view only the GMC Sierra 3500s with MPG currently participating in our fuel tracking program.

GMC Sierra 3500s For Sale Nearby

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from other GMC Sierra 3500 vehicles (View All)


The penny rule

I've seen the "Cup of coffee on the dash" rule and this is l... ...

by catching45

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