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2018 GMC Sierra 2500 HD MPG

Based on data from 60 vehicles, 4,734 fuel-ups and 1,790,289 miles of driving, the 2018 GMC Sierra 2500 HD gets a combined Avg MPG of 14.53 with a 0.11 MPG margin of error.

Below you can see a distribution of the fuel-ups with 85 outliers (1.76%) removed.

Following shows the average MPG of each of the 60 vehicles in the system.

2018 GMC Sierra 2500 HDs For Sale Nearby

  • Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2020 • 38 Fuel-ups

    Property of beamsf15e

  • 14.5 Avg MPG
  • Red Tank 15/40

    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
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2021 • 168 Fuel-ups

    Property of long003

  • 16.0 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2023 • 8 Fuel-ups

    Property of Whistle

  • 15.0 Avg MPG
  • Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2017 • 262 Fuel-ups

    Property of jlawles2

  • 15.2 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2017 • 193 Fuel-ups

    Property of tstanley2128

  • 15.9 Avg MPG
  • 2018 Sierra Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2018 • 233 Fuel-ups

    Property of xstaski

  • 15.2 Avg MPG
  • My Sierra 2500 HD

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

    Property of Boerklong

  • 16.2 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2023 • 4 Fuel-ups

    Property of pcurran63

  • 14.9 Avg MPG
  • Ken’s

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2020 • 47 Fuel-ups

    Property of Cave0369

  • 16.6 Avg MPG
  • Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2022 • 5 Fuel-ups

    Property of EasyRhino

  • 18.0 Avg MPG
  • GMC Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2021 • 25 Fuel-ups

    Property of Krixus

  • 12.7 Avg MPG
  • 2018 Duramax

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2018 • 45 Fuel-ups

    Property of brbrb

  • 15.5 Avg MPG
  • Ghost

    2018 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Apr 2018 • 221 Fuel-ups

    Property of cowdoc

  • 18.8 Avg MPG
  • 2018 GMC Sierra Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2017 • 63 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 May 2020 • 50 Fuel-ups

    Property of tishma09

  • 10.3 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2018 • 13 Fuel-ups

    Property of Jdcompman

  • 15.4 Avg MPG
  • 2018 Sierra Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2018 • 120 Fuel-ups

    Property of LynnE24

  • 15.0 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2020 • 72 Fuel-ups

    Property of yelruc2

  • 13.2 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2020 • 5 Fuel-ups

    Property of Madodds

  • 15.2 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

Tips

Think About Other People's MPG Too!

Accelerating too slowly through a stop light or stopping too... ...

by WebMasterP

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