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2023 GMC Sierra 3500 HD MPG

Based on data from 9 vehicles, 276 fuel-ups and 93,450 miles of driving, the 2023 GMC Sierra 3500 HD gets a combined Avg MPG of 12.70 with a 0.48 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 9 vehicles in the system.

2023 GMC Sierra 3500 HDs For Sale Nearby

  • My Sierra 3500 HD

    2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Jan 2024 • 17 Fuel-ups

    Property of gmcphoto25

  • 10.0 Avg MPG
  • Truck #36 LG

    2023 GMC Sierra 3500 HD Pro 6.6L V8 DIESEL Automatic 10 Speed
    Added Aug 2024 • 26 Fuel-ups

    Property of gprp

  • 11.6 Avg MPG
  • My Sierra 3500 HD

    2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Aug 2023 • 63 Fuel-ups

    Property of Roadrunner2019

  • 13.8 Avg MPG
  • My Sierra 3500 HD

    2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Jul 2024 • 11 Fuel-ups

    Property of HaulnNutz

  • 14.9 Avg MPG
  • GMC Sierra 3500 HD Denali Dually

    2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Jan 2023 • 48 Fuel-ups

    Property of 2023Dually

  • 10.4 Avg MPG
  • My Sierra 3500 HD

    2023 GMC Sierra 3500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
    Added May 2023 • 58 Fuel-ups

    Property of ncbruen

  • 11.0 Avg MPG
  • My Sierra 3500 HD

    2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Jan 2024 • 33 Fuel-ups

    Property of turbotuner

  • 15.0 Avg MPG
  • Blue Steel

    2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2023 • 29 Fuel-ups

    Property of taintfair

  • 15.1 Avg MPG
  • My Sierra 3500 HD

    2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Jul 2023 • 19 Fuel-ups

    Property of joh02051

  • 15.5 Avg MPG

Recent Activity

from other GMC Sierra 3500 HD vehicles (View All)

Tips

Don't brake to slow down in most traffic!

I've seen a lot of people on highways or moderate traffic ge... ...

by playbass06

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