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2020 GMC Sierra 3500 HD MPG

Based on data from 42 vehicles, 2,307 fuel-ups and 824,345 miles of driving, the 2020 GMC Sierra 3500 HD gets a combined Avg MPG of 13.25 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 53 outliers (2.25%) removed.

Following shows the average MPG of each of the 42 vehicles in the system.

2020 GMC Sierra 3500 HDs For Sale Nearby

  • 3500

    2020 GMC Sierra 3500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
    Added Nov 2019 • 38 Fuel-ups

    Property of rufus28

  • 18.2 Avg MPG
  • The PEARL

    2020 GMC Sierra 3500 HD Denali
    Added Aug 2019 • 28 Fuel-ups

    Property of bnoot

  • 15.0 Avg MPG

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Don't top it off

You need extra room in your gas tank to allow the gasoline t... ...

by sr20de

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