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2020 GMC Sierra MPG

Based on data from 2 vehicles, 9 fuel-ups and 4,511 miles of driving, the 2020 GMC Sierra gets a combined Avg MPG of 18.80 with a 5.38 MPG margin of error.

Below you can see a distribution of the fuel-ups with 0 outliers (0.00%) removed.

Following shows the average MPG of each of the 2 vehicles in the system.

2020 GMC Sierras For Sale Nearby

  • My Sierra

    2020 GMC Sierra AT4
    Added Dec 2019 • 7 Fuel-ups

    Property of GMEAUX

  • 17.3 Avg MPG
  • 2020 Sierra

    2020 GMC Sierra AT4
    Added Dec 2019 • 6 Fuel-ups

    Property of Mikemjr1

  • 20.3 Avg MPG

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