2018 GMC Sierra 2500 HD MPG

Based on data from 62 vehicles, 4,869 fuel-ups and 1,834,300 miles of driving, the 2018 GMC Sierra 2500 HD gets a combined Avg MPG of 14.51 with a 0.11 MPG margin of error.

Below you can see a distribution of the fuel-ups with 109 outliers (2.19%) removed.

Following shows the average MPG of each of the 62 vehicles in the system.

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• My Sierra 2500 HD

  2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2017 • 13 Fuel-ups

  Property of joelwalters12

• 15.6 Avg MPG

• My Sierra 2500 HD

  2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2017 • 6 Fuel-ups

  Property of PanigaleJohn

• 11.8 Avg MPG

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