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GMC Sierra 1500 HD MPG

24 GMC Sierra 1500 HDs have provided 373 thousand miles of real world fuel economy & MPG data.
Click here to view all the GMC Sierra 1500 HDs currently participating in our fuel tracking program.

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Tips

Automatic Transmission RPM Management

(1) Learn Where Your Ride Switches Gears--Accelerating smoot... ...

by cee

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