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GMC Sierra 3500 HD MPG

253 GMC Sierra 3500 HDs have provided 5.2 million miles of real world fuel economy & MPG data.
Click here to view all the GMC Sierra 3500 HDs currently participating in our fuel tracking program.

GMC Sierra 3500 HDs For Sale Nearby

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Find your "true" city/highway driving splits!

According to the EPA test cycle average speeds of 21 MPH for... ...

by cougar435788

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