2012 GMC Sierra 3500 HD Mileage

There are 2 2012 GMC Sierra 3500 HDs with reported gas mileage parked at Fuelly. [show all]

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  • GMC Sierra

    2012 GMC Sierra 3500 HD • Diesel V8 Truck (Auto)
    Added May 2012 • 14 fuel-ups

    Property of copperpot126

  • 11.1Avg MPG

  • duelly

    2012 GMC Sierra 3500 HD • Diesel Truck
    Added Mar 2012 • 17 fuel-ups

    Property of Pamelav

  • 14.5Avg MPG

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