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GMC Sierra 2500 HD MPG

897 GMC Sierra 2500 HDs have provided 17.9 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

Chill out...

When the light turns green take it easy and just accelerate ... ...

by NOMPGMAN

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