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2018 GMC Sierra 2500 HD MPG

Based on data from 31 vehicles, 711 fuel-ups and 281,218 miles of driving, the 2018 GMC Sierra 2500 HD gets a combined Avg MPG of 15.33 with a 0.23 MPG margin of error.

Below you can see a distribution of the fuel-ups with 19 outliers (2.60%) removed.

Following shows the average MPG of each of the 31 vehicles in the system.

2018 GMC Sierra 2500 HDs For Sale Nearby

  • Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2018 • 19 Fuel-ups

    Property of Mavis500

  • 14.8 Avg MPG
  • Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Nov 2017 • 68 Fuel-ups

    Property of superflymtber

  • 18.1 Avg MPG
  • 18 Sierra

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 25 Fuel-ups

    Property of texags06

  • 14.6 Avg MPG
  • Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2017 • 40 Fuel-ups

    Property of jlawles2

  • 16.1 Avg MPG
  • 2018 Sierra 2500 All Terrain

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2017 • 66 Fuel-ups

    Property of slednek

  • 13.9 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2018 • 41 Fuel-ups

    Property of Roadwarrior32

  • 14.2 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2018 • 9 Fuel-ups

    Property of Boerklong

  • 15.7 Avg MPG
  • 2018 Sierra Denalli HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2018 • 33 Fuel-ups

    Property of LynnE24

  • 14.2 Avg MPG
  • 2018 Sierra Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
    Added Dec 2017 • 20 Fuel-ups

    Property of Screagle

  • 16.5 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 28 Fuel-ups

    Property of jtw811

  • 14.1 Avg MPG
  • 2018 Sierra Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2018 • 12 Fuel-ups

    Property of xstaski

  • 15.5 Avg MPG
  • Granite Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added May 2018 • 11 Fuel-ups

    Property of rjacobs

  • 16.4 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 35 Fuel-ups

    Property of DocSavage1960

  • 12.1 Avg MPG
  • GMC Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 17 Fuel-ups

    Property of LouLee

  • 16.3 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2018 • 52 Fuel-ups

    Property of TheMekanik

  • 15.9 Avg MPG
  • Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2018 • 20 Fuel-ups

    Property of M_KWISE

  • 17.8 Avg MPG
  • Ghost

    2018 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Apr 2018 • 43 Fuel-ups

    Property of cowdoc

  • 18.4 Avg MPG
  • Gimmy Black™

    2018 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Aug 2018 • 20 Fuel-ups

    Property of Abercrombies

  • 12.3 Avg MPG
  • 2018 GMC Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2018 • 26 Fuel-ups

    Property of wassenju

  • 14.8 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2017 • 58 Fuel-ups

    Property of tstanley2128

  • 16.0 Avg MPG

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