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2018 GMC Sierra 2500 HD MPG

Based on data from 53 vehicles, 2,810 fuel-ups and 1,134,613 miles of driving, the 2018 GMC Sierra 2500 HD gets a combined Avg MPG of 15.06 with a 0.13 MPG margin of error.

Below you can see a distribution of the fuel-ups with 35 outliers (1.23%) removed.

Following shows the average MPG of each of the 53 vehicles in the system.

2018 GMC Sierra 2500 HDs For Sale Nearby

  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2019 • 108 Fuel-ups

    Property of 4gkids

  • 14.4 Avg MPG
  • 2018 Sierra Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2018 • 137 Fuel-ups

    Property of xstaski

  • 15.2 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2021 • 11 Fuel-ups

    Property of long003

  • 16.5 Avg MPG
  • Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
    Added May 2019 • 61 Fuel-ups

    Property of larboy

  • 12.0 Avg MPG
  • GMC Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 191 Fuel-ups

    Property of LouLee

  • 15.6 Avg MPG
  • Sierra Denali 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2019 • 64 Fuel-ups

    Property of west27

  • 13.7 Avg MPG
  • Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2018 • 61 Fuel-ups

    Property of Mavis500

  • 15.1 Avg MPG
  • My Sierra 2500 HD

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

    Property of cfort

  • 14.5 Avg MPG
  • Denali HD

    2018 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
    Added Jun 2020 • 42 Fuel-ups

    Property of Sullivan907

  • 13.2 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 148 Fuel-ups

    Property of jtw811

  • 14.7 Avg MPG
  • Ken’s

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2020 • 21 Fuel-ups

    Property of Cave0369

  • 15.6 Avg MPG
  • Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2017 • 163 Fuel-ups

    Property of superflymtber

  • 17.4 Avg MPG
  • 18 Sierra

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 154 Fuel-ups

    Property of texags06

  • 14.6 Avg MPG
  • GMC

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Feb 2021 • 7 Fuel-ups

    Property of csundell

  • 12.0 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
    Added Feb 2021 • 5 Fuel-ups

    Property of williamsm5813

  • 13.8 Avg MPG
  • Sierra 2500

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2018 • 162 Fuel-ups

    Property of IPAGuy

  • 12.3 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
  • 2018 Duramax

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
    Added Nov 2017 • 58 Fuel-ups

    Property of Rocketrollinsx

  • 14.4 Avg MPG
  • GMC Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2021 • 4 Fuel-ups

    Property of Krixus

  • 13.0 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2017 • 142 Fuel-ups

    Property of tstanley2128

  • 16.2 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

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