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GMC Yukon XL 2500 MPG

44 GMC Yukon XL 2500s have provided 526 thousand miles of real world fuel economy & MPG data.
Click here to view all the GMC Yukon XL 2500s currently participating in our fuel tracking program.

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Fuel economy misconceptions- Optimal speed for MPG

Ideal MPG speed is definitely 70-80 mph: Nope The only re... ...

by Daschicken

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