GMC Sierra 2500 HD MPG

420 GMC Sierra 2500 HDs have provided 7.1 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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from other GMC Sierra 2500 HD vehicles (View All)


Get to know your cruise control

Late model cars have cruise control systems designed for opt... ...

by miles0smiles

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