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GMC Sierra 1500 HD MPG

31 GMC Sierra 1500 HDs have provided 626 thousand miles of real world fuel economy & MPG data.
Click here to view all the GMC Sierra 1500 HDs currently participating in our fuel tracking program.

Recent Activity

from other GMC Sierra 1500 HD vehicles (View All)


How I got 54.65mpg on the Freeway

I recently got 54.59mpg on my trip from Oakland to Los Angel... ...

by ChewChewTrain

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