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2020 GMC Sierra 3500 HD MPG

Based on data from 37 vehicles, 2,042 fuel-ups and 731,544 miles of driving, the 2020 GMC Sierra 3500 HD gets a combined Avg MPG of 13.26 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 45 outliers (2.16%) removed.

Following shows the average MPG of each of the 37 vehicles in the system.

2020 GMC Sierra 3500 HDs For Sale Nearby

  • 2020 GMC 3500 HD

    2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Mar 2020 • 350 Fuel-ups

    Property of Gassy1976

  • 14.6 Avg MPG
  • My Sierra 3500 HD

    2020 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
    Added Jul 2020 • 168 Fuel-ups

    Property of abartlett

  • 15.2 Avg MPG
  • My Sierra 3500 HD

    2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Jul 2020 • 131 Fuel-ups

    Property of hotsauce8815

  • 11.9 Avg MPG
  • Dee 3500 HD

    2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Mar 2020 • 257 Fuel-ups

    Property of deewhite

  • 13.0 Avg MPG
  • 2020 Sierra

    2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Jan 2023 • 63 Fuel-ups

    Property of brfs

  • 16.0 Avg MPG
  • Denali 3500 HD

    2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Mar 2021 • 96 Fuel-ups

    Property of 2010RWCM

  • 13.5 Avg MPG
  • Damon’s Sierra 3500 HD Denali

    2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Feb 2020 • 283 Fuel-ups

    Property of Demon2JZ

  • 11.0 Avg MPG
  • GMC PlanetKiller

    2020 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
    Added Dec 2022 • 37 Fuel-ups

    Property of KyleMac

  • 14.2 Avg MPG
  • My Sierra 3500 HD

    2020 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
    Added Dec 2020 • 122 Fuel-ups

    Property of ghurd

  • 14.3 Avg MPG
  • GMC Sierra 3500 HD

    2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Apr 2023 • 41 Fuel-ups

    Property of audiododd

  • 13.6 Avg MPG
  • Star Lord vol. 2

    2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Jun 2021 • 35 Fuel-ups

    Property of rpar86

  • 10.8 Avg MPG
  • My Sierra 3500 HD

    2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2024 • 5 Fuel-ups

    Property of mlgriffin

  • 15.8 Avg MPG
  • My Sierra 3500 HD

    2020 GMC Sierra 3500 HD Denali 6.6L V8 GAS Automatic 6 Speed
    Added Jul 2020 • 75 Fuel-ups

    Property of jdmich

  • 11.0 Avg MPG
  • 2020 Def

    2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Apr 2023 • 8 Fuel-ups

    Property of brfs

  • 721.2 Avg MPG
  • My Sierra 3500 HD

    2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Jan 2020 • 7 Fuel-ups

    Property of Alec55

  • 14.0 Avg MPG
  • GMC

    2020 GMC Sierra 3500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Nov 2022 • 63 Fuel-ups

    Property of kitakidscomcastnet

  • 15.2 Avg MPG
  • My Sierra 3500 HD

    2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Jun 2020 • 152 Fuel-ups

    Property of fox454

  • 15.1 Avg MPG
  • My Denali

    2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Mar 2020 • 109 Fuel-ups

    Property of cmayfield682

  • 17.2 Avg MPG
  • My Sierra 3500 HD

    2020 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
    Added Mar 2020 • 41 Fuel-ups

    Property of freedom2020

  • 8.2 Avg MPG
  • My Sierra 3500 HD #1

    2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Nov 2022 • 3 Fuel-ups

    Property of Blueyfella

  • 5.7 Avg MPG

Recent Activity

from other GMC Sierra 3500 HD vehicles (View All)

Tips

Dangerous advice tip

Over inflating tyres will save you fuel as it gives less rol... ...

by TheDivvy

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