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2020 GMC Sierra 2500 MPG

Based on data from 4 vehicles, 610 fuel-ups and 262,585 miles of driving, the 2020 GMC Sierra 2500 gets a combined Avg MPG of 16.72 with a 0.23 MPG margin of error.

Below you can see a distribution of the fuel-ups with 2 outliers (0.33%) removed.

Following shows the average MPG of each of the 4 vehicles in the system.

2020 GMC Sierra 2500s For Sale Nearby

  • ‘20 Sierra 1500

    2020 GMC Sierra 2500
    Added Jan 2020 • 281 Fuel-ups

    Property of Zantine

  • 19.5 Avg MPG
  • La mamalona

    2020 GMC Sierra 2500 HD
    Added Jan 2020 • 191 Fuel-ups

    Property of jaime07garcia

  • 15.0 Avg MPG
  • My Sierra 2500

    2020 GMC Sierra 2500 HD
    Added Jan 2020 • 165 Fuel-ups

    Property of jbose

  • 17.3 Avg MPG
  • My Sierra 2500 HD

    2020 GMC Sierra 2500 HD Automatic 6 Speed
    Added Nov 2019 • 63 Fuel-ups

    Property of Danm1228

  • 14.9 Avg MPG

Recent Activity

from other GMC Sierra 2500 vehicles (View All)

Tips

Use Cruise Control Often

On steady flat roads (especially at higher speeds), cruise c... ...

by mathowie

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