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2018 GMC Sierra 2500 HD MPG

Based on data from 27 vehicles, 426 fuel-ups and 165,174 miles of driving, the 2018 GMC Sierra 2500 HD gets a combined Avg MPG of 15.39 with a 0.27 MPG margin of error.

Below you can see a distribution of the fuel-ups with 11 outliers (2.52%) removed.

Following shows the average MPG of each of the 27 vehicles in the system.

2018 GMC Sierra 2500 HDs For Sale Nearby

  • 18 Sierra

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 3 Fuel-ups

    Property of texags06

  • 16.7 Avg MPG
  • Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2017 • 30 Fuel-ups

    Property of jlawles2

  • 16.1 Avg MPG
  • Granite Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added May 2018 • 7 Fuel-ups

    Property of rjacobs

  • 16.6 Avg MPG
  • 2018 Sierra Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2018 • 3 Fuel-ups

    Property of xstaski

  • 15.2 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 • 40 Fuel-ups

    Property of slednek

  • 14.0 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2017 • 46 Fuel-ups

    Property of tstanley2128

  • 16.0 Avg MPG
  • My Sierra 2500 HD

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

    Property of TheMekanik

  • 15.9 Avg MPG
  • BigWilly’s 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2017 • 35 Fuel-ups

    Property of wngmbx

  • 18.7 Avg MPG
  • Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Nov 2017 • 38 Fuel-ups

    Property of superflymtber

  • 17.4 Avg MPG
  • Ghost

    2018 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Apr 2018 • 23 Fuel-ups

    Property of cowdoc

  • 18.4 Avg MPG
  • GMC Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 3 Fuel-ups

    Property of LouLee

  • 15.5 Avg MPG
  • My Sierra 2500 HD

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

    Property of jtw811

  • 15.4 Avg MPG
  • Denali 2500HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Mar 2018 • 14 Fuel-ups

    Property of MitchM58

  • 16.5 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2018 • 3 Fuel-ups

    Property of Boerklong

  • 18.4 Avg MPG
  • 2018 Sierra Denalli HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2018 • 22 Fuel-ups

    Property of LynnE24

  • 13.9 Avg MPG
  • My Sierra

    2018 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 4 Fuel-ups

    Property of Burple

  • 11.3 Avg MPG
  • 2018 GMC Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2018 • 15 Fuel-ups

    Property of wassenju

  • 15.1 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2018 • 27 Fuel-ups

    Property of Roadwarrior32

  • 13.6 Avg MPG
  • 2018 Sierra Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2017 • 14 Fuel-ups

    Property of Screagle

  • 16.4 Avg MPG
  • Red Tank

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2018 • 39 Fuel-ups

    Property of jdelfin

  • 15.0 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

Tips

Fueling Up

Fuel up when the temperature is coldest of the day. Usually ... ...

by KingJr

Read more tips