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GMC Sierra 1500 HD MPG

30 GMC Sierra 1500 HDs have provided 566 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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F150 achievement- 2.7 Ecoboost.

Reviews and drivers show disappointing 15-19 mpg F150s with ... ...

by gregsfc

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