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GMC Sierra 2500 HD MPG

595 GMC Sierra 2500 HDs have provided 10.4 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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Tips

Use roundabouts; demand roundabouts for your area

Depending on traffic levels, roundabouts in general are much... ...

by cuts_off_prius

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