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GMC Sierra 3500 HD MPG

96 GMC Sierra 3500 HDs have provided 1.9 million miles of real world fuel economy & MPG data.
Click here to view all the GMC Sierra 3500 HDs currently participating in our fuel tracking program.

GMC Sierra 3500 HDs For Sale Nearby

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Tips

Watch for trailing brakes

It is possible for brakes to fail to release fully if the me... ...

by jostlehim

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