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2020 GMC Sierra 2500 HD MPG

Based on data from 48 vehicles, 3,251 fuel-ups and 1,198,955 miles of driving, the 2020 GMC Sierra 2500 HD gets a combined Avg MPG of 14.26 with a 0.12 MPG margin of error.

Below you can see a distribution of the fuel-ups with 29 outliers (0.88%) removed.

Following shows the average MPG of each of the 48 vehicles in the system.

2020 GMC Sierra 2500 HDs For Sale Nearby

  • 2020 Sierra 2500 Duramax

    2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Dec 2019 • 277 Fuel-ups

    Property of mnoland2000

  • 13.1 Avg MPG
  • Granite AT4

    2020 GMC Sierra 2500 HD AT4 6.6L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Oct 2020 • 187 Fuel-ups

    Property of NHATC

  • 11.3 Avg MPG
  • AT4

    2020 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
    Added Jul 2022 • 106 Fuel-ups

    Property of Dziuky

  • 16.8 Avg MPG
  • Sierra 2500 HD

    2020 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
    Added Feb 2024 • 30 Fuel-ups

    Property of tdbreeding

  • 12.4 Avg MPG
  • My Sierra 2500 HD

    2020 GMC Sierra 2500 HD SLE 6.6L V8 GAS Automatic 6 Speed
    Added Mar 2022 • 166 Fuel-ups

    Property of hoodsh

  • 14.3 Avg MPG
  • My Sierra 2500 HD

    2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Aug 2022 • 80 Fuel-ups

    Property of jeepin13

  • 14.6 Avg MPG
  • 2020 Dmax

    2020 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Apr 2024 • 23 Fuel-ups

    Property of Bigboydmax

  • 13.1 Avg MPG
  • My Sierra 2500 HD

    2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Aug 2023 • 64 Fuel-ups

    Property of rlsudlow

  • 15.2 Avg MPG
  • Sierra 2500HD Denali (Bertha)

    2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Jul 2024 • 13 Fuel-ups

    Property of podnucmo

  • 14.6 Avg MPG
  • 2020 Denali 2500 HD

    2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Jun 2020 • 155 Fuel-ups

    Property of maaiman

  • 16.0 Avg MPG
  • COVID Cruiser

    2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Mar 2020 • 226 Fuel-ups

    Property of jambiefsj

  • 16.6 Avg MPG
  • My Sierra 2500 HD

    2020 GMC Sierra 2500 HD Denali 6.6L V8 GAS Automatic 10 Speed
    Added Oct 2024 • 5 Fuel-ups

    Property of reedsj94

  • 17.0 Avg MPG
  • Pimpin AT4

    2020 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
    Added Aug 2023 • 25 Fuel-ups

    Property of cdizzle

  • 13.0 Avg MPG
  • GMC Sierra 2500 HD

    2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Aug 2024 • 7 Fuel-ups

    Property of josh021483

  • 16.3 Avg MPG
  • My Sierra 2500 HD

    2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Jan 2020 • 111 Fuel-ups

    Property of zardoz5

  • 14.6 Avg MPG
  • Sierra 2500 HD

    2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Mar 2020 • 82 Fuel-ups

    Property of bto71

  • 14.3 Avg MPG
  • Gallo Negro

    2020 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
    Added May 2022 • 31 Fuel-ups

    Property of doakman1

  • 9.5 Avg MPG
  • GMC AT4

    2020 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
    Added Jun 2022 • 104 Fuel-ups

    Property of furlofoder

  • 13.4 Avg MPG
  • Neil GMC 2500HD

    2020 GMC Sierra 2500 HD SLE 6.6L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Nov 2020 • 276 Fuel-ups

    Property of neilalvares

  • 13.4 Avg MPG
  • My Denali 2500 HD

    2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
    Added Dec 2022 • 14 Fuel-ups

    Property of fasdon

  • 11.2 Avg MPG

Recent Activity

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