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GMC Sierra 2500 HD MPG

873 GMC Sierra 2500 HDs have provided 17.3 million miles of real world fuel economy & MPG data.
Click here to view all the GMC Sierra 2500 HDs currently participating in our fuel tracking program.

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Cut out extra weight

Now I know it goes against this actual website, but I tend t... ...

by mErCuTi0

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