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2020 GMC Sierra 2500 MPG

Based on data from 5 vehicles, 234 fuel-ups and 97,422 miles of driving, the 2020 GMC Sierra 2500 gets a combined Avg MPG of 15.69 with a 0.43 MPG margin of error.

Below you can see a distribution of the fuel-ups with 2 outliers (0.85%) removed.

Following shows the average MPG of each of the 5 vehicles in the system.

2020 GMC Sierra 2500s For Sale Nearby

  • My Sierra 2500

    2020 GMC Sierra 2500 HD
    Added Jan 2020 • 41 Fuel-ups

    Property of jbose

  • 17.6 Avg MPG
  • ‘20 Sierra 1500

    2020 GMC Sierra 2500
    Added Jan 2020 • 48 Fuel-ups

    Property of Zantine

  • 19.1 Avg MPG
  • 2020 Sierra 2500 Duramax

    2020 GMC Sierra 2500 HD DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Dec 2019 • 56 Fuel-ups

    Property of mnoland2000

  • 13.1 Avg MPG
  • La mamalona

    2020 GMC Sierra 2500 HD
    Added Jan 2020 • 52 Fuel-ups

    Property of jaime07garcia

  • 14.5 Avg MPG
  • My Sierra 2500 HD

    2020 GMC Sierra 2500 HD Automatic 6 Speed
    Added Nov 2019 • 55 Fuel-ups

    Property of Danm1228

  • 14.9 Avg MPG

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