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GMC Sierra 2500 MPG

108 GMC Sierra 2500s have provided 1.0 million miles of real world fuel economy & MPG data.
Click here to view only the GMC Sierra 2500s with MPG currently participating in our fuel tracking program.

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Tips

Accelerate to save gas

I saw a tip a few moments ago about accelerating and I agree... ...

by mdxrox

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