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2018 GMC Sierra 2500 HD MPG

Based on data from 45 vehicles, 1,826 fuel-ups and 738,114 miles of driving, the 2018 GMC Sierra 2500 HD gets a combined Avg MPG of 15.15 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 23 outliers (1.24%) removed.

Following shows the average MPG of each of the 45 vehicles in the system.

2018 GMC Sierra 2500 HDs For Sale Nearby

  • Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
    Added May 2019 • 25 Fuel-ups

    Property of larboy

  • 12.5 Avg MPG
  • Ghost

    2018 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Apr 2018 • 132 Fuel-ups

    Property of cowdoc

  • 18.8 Avg MPG
  • 2018 Sierra Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2018 • 67 Fuel-ups

    Property of xstaski

  • 15.0 Avg MPG
  • Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2017 • 107 Fuel-ups

    Property of jlawles2

  • 16.0 Avg MPG
  • BlacKnight

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2018 • 40 Fuel-ups

    Property of jcmisze

  • 13.6 Avg MPG
  • Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2017 • 116 Fuel-ups

    Property of superflymtber

  • 17.7 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 • 118 Fuel-ups

    Property of slednek

  • 14.4 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2018 • 29 Fuel-ups

    Property of wedgie321

  • 13.3 Avg MPG
  • 2018 Sierra Denalli HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2018 • 78 Fuel-ups

    Property of LynnE24

  • 15.2 Avg MPG
  • Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2018 • 43 Fuel-ups

    Property of Mavis500

  • 14.9 Avg MPG
  • 2018 Duramax

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2018 • 17 Fuel-ups

    Property of brbrb

  • 16.8 Avg MPG
  • GMC Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 102 Fuel-ups

    Property of LouLee

  • 15.5 Avg MPG
  • 18 Sierra

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 94 Fuel-ups

    Property of texags06

  • 14.6 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2019 • 42 Fuel-ups

    Property of 4gkids

  • 13.7 Avg MPG
  • Sierra 2500

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Nov 2018 • 82 Fuel-ups

    Property of IPAGuy

  • 12.9 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2018 • 36 Fuel-ups

    Property of Boerklong

  • 16.0 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2018 • 29 Fuel-ups

    Property of cfort

  • 15.5 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 70 Fuel-ups

    Property of jtw811

  • 14.8 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2018 • 7 Fuel-ups

    Property of Jdcompman

  • 15.8 Avg MPG
  • Sierra Denali 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2019 • 35 Fuel-ups

    Property of west27

  • 13.8 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

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