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GMC Sierra 3500 HD MPG

540 GMC Sierra 3500 HDs have provided 9.8 million miles of real world fuel economy & MPG data.
Click here to view only the GMC Sierra 3500 HDs with MPG currently participating in our fuel tracking program.

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Tips

Find the sweet spot of needed throttle pressure.

When traveling around highway speeds note your throttle inpu... ...

by Lokis_Tyro

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