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GMC Yukon XL 1500 MPG

252 GMC Yukon XL 1500s have provided 3.9 million miles of real world fuel economy & MPG data.
Click here to view all the GMC Yukon XL 1500s currently participating in our fuel tracking program.

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Fuel economy misconceptions- Engine efficiency

Larger engine not working hard is more efficient than small ... ...

by Daschicken

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