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2018 GMC Sierra 2500 HD MPG

Based on data from 45 vehicles, 1,641 fuel-ups and 665,217 miles of driving, the 2018 GMC Sierra 2500 HD gets a combined Avg MPG of 15.22 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 41 outliers (2.44%) 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

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

    Property of IPAGuy

  • 13.2 Avg MPG
  • Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
    Added May 2019 • 15 Fuel-ups

    Property of larboy

  • 12.7 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 66 Fuel-ups

    Property of jtw811

  • 14.7 Avg MPG
  • BlacKnight

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2018 • 34 Fuel-ups

    Property of jcmisze

  • 13.8 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 • 110 Fuel-ups

    Property of slednek

  • 14.6 Avg MPG
  • My Sierra 2500 HD

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

    Property of wedgie321

  • 13.6 Avg MPG
  • Ghost

    2018 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Apr 2018 • 119 Fuel-ups

    Property of cowdoc

  • 18.7 Avg MPG
  • 2018 Duramax

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2018 • 13 Fuel-ups

    Property of brbrb

  • 16.9 Avg MPG
  • GMC Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 94 Fuel-ups

    Property of LouLee

  • 15.4 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2017 • 110 Fuel-ups

    Property of tstanley2128

  • 16.3 Avg MPG
  • 18 Sierra

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 80 Fuel-ups

    Property of texags06

  • 14.8 Avg MPG
  • Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2017 • 96 Fuel-ups

    Property of jlawles2

  • 15.9 Avg MPG
  • 2018 GMC Sierra HD Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2017 • 66 Fuel-ups

    Property of klieber

  • 15.0 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2018 • 25 Fuel-ups

    Property of cfort

  • 15.4 Avg MPG
  • 2018 Sierra Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2018 • 59 Fuel-ups

    Property of xstaski

  • 14.9 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 • 41 Fuel-ups

    Property of Screagle

  • 17.0 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2018 • 31 Fuel-ups

    Property of Boerklong

  • 15.8 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 75 Fuel-ups

    Property of DocSavage1960

  • 13.8 Avg MPG
  • 2018 Sierra Denalli HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2018 • 72 Fuel-ups

    Property of LynnE24

  • 14.9 Avg MPG
  • Sierra Denali 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2019 • 32 Fuel-ups

    Property of west27

  • 13.6 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

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