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GMC R1500 Suburban MPG

10 GMC R1500 Suburbans have provided 36 thousand miles of real world fuel economy & MPG data.
Click here to view only the GMC R1500 Suburbans with MPG currently participating in our fuel tracking program.


How I got 54.65mpg on the Freeway

I recently got 54.59mpg on my trip from Oakland to Los Angel... ...

by ChewChewTrain

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