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GMC Sierra 2500 MPG

38 GMC Sierra 2500s have provided 541 thousand miles of real world fuel economy & MPG data.
Click here to view all the GMC Sierra 2500s currently participating in our fuel tracking program.

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Tips

Lower your Aero Drag by going a Tiny Bit Slower

I figure 53mph is close enough to 55mph that other drivers w... ...

by ChewChewTrain

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