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2018 GMC Sierra 2500 HD MPG

Based on data from 56 vehicles, 3,923 fuel-ups and 1,531,806 miles of driving, the 2018 GMC Sierra 2500 HD gets a combined Avg MPG of 14.80 with a 0.11 MPG margin of error.

Below you can see a distribution of the fuel-ups with 64 outliers (1.61%) removed.

Following shows the average MPG of each of the 56 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 • 19 Fuel-ups

    Property of beamsf15e

  • 15.0 Avg MPG
  • Denali 2500HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2018 • 102 Fuel-ups

    Property of Mavis500

  • 15.5 Avg MPG
  • Robin's Truck

    2018 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Mar 2021 • 55 Fuel-ups

    Property of Cruiser60

  • 14.2 Avg MPG
  • GMC

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Feb 2021 • 101 Fuel-ups

    Property of csundell

  • 13.0 Avg MPG
  • 2018 Sierra Denali HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2018 • 229 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 Sep 2017 • 182 Fuel-ups

    Property of tstanley2128

  • 16.0 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2021 • 105 Fuel-ups

    Property of long003

  • 16.5 Avg MPG
  • 18 Sierra

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jan 2022 • 225 Fuel-ups

    Property of texags06

  • 14.4 Avg MPG
  • Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2017 • 236 Fuel-ups

    Property of jlawles2

  • 15.1 Avg MPG
  • GMC AT HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2023 • 3 Fuel-ups

    Property of jheen

  • 17.1 Avg MPG
  • Denali HD

    2018 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
    Added Jun 2020 • 89 Fuel-ups

    Property of Sullivan907

  • 13.2 Avg MPG
  • Sierra 2500

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2018 • 256 Fuel-ups

    Property of IPAGuy

  • 12.2 Avg MPG
  • 2018 Duramax

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
    Added Nov 2017 • 97 Fuel-ups

    Property of Rocketrollinsx

  • 14.6 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
  • Denali

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2017 • 239 Fuel-ups

    Property of superflymtber

  • 17.3 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2018 • 91 Fuel-ups

    Property of Boerklong

  • 16.2 Avg MPG
  • My Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2018 • 128 Fuel-ups

    Property of cfort

  • 14.4 Avg MPG
  • Sierra Denali 2500 HD

    2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2019 • 113 Fuel-ups

    Property of west27

  • 13.7 Avg MPG
  • Sierra 2500 HD

    2018 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
    Added May 2019 • 113 Fuel-ups

    Property of larboy

  • 12.4 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

Recent Activity

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