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GMC Sierra 2500 HD MPG

1,673 GMC Sierra 2500 HDs have provided 24.9 million miles of real world fuel economy & MPG data.
Click here to view only the GMC Sierra 2500 HDs with MPG currently participating in our fuel tracking program.

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Don't drive

It's obvious of course, but a great way to save fuel on all ... ...

by mathowie

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