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2018 GMC Sierra 2500 HD MPG

Based on data from 44 vehicles, 1,576 fuel-ups and 636,589 miles of driving, the 2018 GMC Sierra 2500 HD gets a combined Avg MPG of 15.21 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 36 outliers (2.23%) removed.

Following shows the average MPG of each of the 44 vehicles in the system.

2018 GMC Sierra 2500 HDs For Sale Nearby

  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Feb 2019 • 59 Fuel-ups

    Property of jamesthebikeguy

  • 11.4 Avg MPG
  • 18 Sierra

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 77 Fuel-ups

    Property of texags06

  • 14.9 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2018 • 23 Fuel-ups

    Property of cfort

  • 15.4 Avg MPG
  • My Sierra 2500 HD

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

    Property of wedgie321

  • 13.1 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2017 • 106 Fuel-ups

    Property of tstanley2128

  • 16.2 Avg MPG
  • GMC Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 90 Fuel-ups

    Property of LouLee

  • 15.3 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 71 Fuel-ups

    Property of DocSavage1960

  • 13.8 Avg MPG
  • Ghost

    2018 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Apr 2018 • 113 Fuel-ups

    Property of cowdoc

  • 18.7 Avg MPG
  • Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2017 • 92 Fuel-ups

    Property of jlawles2

  • 16.0 Avg MPG
  • 2018 Sierra Denalli HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2018 • 69 Fuel-ups

    Property of LynnE24

  • 14.8 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 62 Fuel-ups

    Property of jtw811

  • 14.6 Avg MPG
  • 2018 Sierra Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2018 • 55 Fuel-ups

    Property of xstaski

  • 14.9 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 • 105 Fuel-ups

    Property of slednek

  • 14.6 Avg MPG
  • 2018 Duramax

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2018 • 10 Fuel-ups

    Property of brbrb

  • 17.9 Avg MPG
  • Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
    Added May 2019 • 11 Fuel-ups

    Property of larboy

  • 9.5 Avg MPG
  • Sierra 2500

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Nov 2018 • 64 Fuel-ups

    Property of IPAGuy

  • 13.1 Avg MPG
  • BlacKnight

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

    Property of jcmisze

  • 13.6 Avg MPG
  • My Sierra 2500 HD

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

    Property of Boerklong

  • 15.9 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 • 40 Fuel-ups

    Property of Screagle

  • 16.9 Avg MPG
  • My Sierra

    2018 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 23 Fuel-ups

    Property of Burple

  • 11.6 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

Tips

Plan and be consistent.

High MPG is helpful but using your head on when and how to d... ...

by ItalianHonda

Read more tips