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GMC Sierra 3500 HD MPG

547 GMC Sierra 3500 HDs have provided 9.9 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

some backing up is required for your brakes

if you have drum type brakes in the back, you need to back u... ...

by Idahoser

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