GMC Sierra 2500 HD MPG

508 GMC Sierra 2500 HDs have provided 8.5 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

Go WOT in turbocharged performance vehicles occasionally

Excessive low-load, low-RPM driving in turbocharged performa... ...

by MD1032

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