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GMC Sierra 2500 MPG

62 GMC Sierra 2500s have provided 809 thousand miles of real world fuel economy & MPG data.
Click here to view all the GMC Sierra 2500s currently participating in our fuel tracking program.

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Tips

Car engine speed at 2200 rpm

Try to keep your engine at 2,200 rpm to get the maximum effi... ...

by Alikhaneng

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