Click here to see important news regarding the aCar App

2018 GMC Sierra 3500 HD MPG

Based on data from 18 vehicles, 287 fuel-ups and 78,903 miles of driving, the 2018 GMC Sierra 3500 HD gets a combined Avg MPG of 11.90 with a 0.38 MPG margin of error.

Below you can see a distribution of the fuel-ups with 15 outliers (4.97%) removed.

Following shows the average MPG of each of the 18 vehicles in the system.

2018 GMC Sierra 3500 HDs For Sale Nearby

  • Sierra

    2018 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jan 2018 • 48 Fuel-ups

    Property of artman1913

  • 10.8 Avg MPG
  • Tow Pig

    2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2018 • 9 Fuel-ups

    Property of Robicus

  • 13.6 Avg MPG
  • My Sierra 3500 HD

    2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2018 • 4 Fuel-ups

    Property of brizgislawrencej

  • 19.5 Avg MPG
  • Denali

    2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2018 • 8 Fuel-ups

    Property of suasman

  • 15.1 Avg MPG
  • Great White L5P

    2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2018 • 3 Fuel-ups

    Property of 2manyliters

  • 15.8 Avg MPG
  • Max 18

    2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2017 • 60 Fuel-ups

    Property of broit

  • 13.2 Avg MPG
  • GMC 3500

    2018 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2017 • 22 Fuel-ups

    Property of Peterbuilt75

  • 11.8 Avg MPG
  • My Sierra 3500 HD

    2018 GMC Sierra 3500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
    Added Apr 2018 • 12 Fuel-ups

    Property of dogspike

  • 14.0 Avg MPG
  • King Elmo

    2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jan 2018 • 25 Fuel-ups

    Property of Geodude

  • 11.5 Avg MPG
  • My Sierra 3500 HD

    2018 GMC Sierra 3500 HD 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 13 Fuel-ups

    Property of skinnertonoutlaw

  • 9.9 Avg MPG
  • My Sierra 3500 HD

    2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2017 • 32 Fuel-ups

    Property of amtrak8

  • 12.2 Avg MPG
  • GMC Sierra 3500HD

    2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Aug 2018 • 4 Fuel-ups

    Property of pputney

  • 14.3 Avg MPG
  • DEF

    2018 GMC Sierra 3500 HD SLT Automatic 6 Speed
    Added Mar 2018 • 5 Fuel-ups

    Property of artman1913

  • 476.2 Avg MPG
  • Denali 3500 DWR

    2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 11 Fuel-ups

    Property of Ncrzrbk

  • 14.8 Avg MPG
  • Sierra 3500 HD

    2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2017 • 47 Fuel-ups

    Property of jamesnkerr

  • 13.7 Avg MPG
  • My Sierra 3500 HD

    2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2017 • 31 Fuel-ups

    Property of mcumbie

  • 10.9 Avg MPG
  • 2018 Sierra Denali HD

    2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Apr 2018 • 5 Fuel-ups

    Property of TrevorR_EcoDiesel

  • 11.2 Avg MPG
  • My Sierra 3500 HD

    2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2017 • 3 Fuel-ups

    Property of spudman00

  • 17.0 Avg MPG

Recent Activity

from other GMC Sierra 3500 HD vehicles (View All)

Tips

Keep an eye on crosswalk signs

When driving through any type of cityscape, there is more th... ...

by Fuelwaster

Read more tips