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2015 GMC Sierra 3500 HD MPG

Based on data from 32 vehicles, 2,439 fuel-ups and 934,906 miles of driving, the 2015 GMC Sierra 3500 HD gets a combined Avg MPG of 14.18 with a 0.17 MPG margin of error.

Below you can see a distribution of the fuel-ups with 26 outliers (1.05%) removed.

Following shows the average MPG of each of the 32 vehicles in the system.

2015 GMC Sierra 3500 HDs For Sale Nearby

  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2017 • 16 Fuel-ups

    Property of Pogobird

  • 14.6 Avg MPG
  • White GMC

    2015 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 150 Fuel-ups

    Property of jambiefsj

  • 14.8 Avg MPG
  • 3500 HD

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2018 • 83 Fuel-ups

    Property of finchman82

  • 15.4 Avg MPG
  • Denali

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added May 2018 • 75 Fuel-ups

    Property of marcottemw

  • 11.8 Avg MPG
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD 6.0L V8 GAS Automatic 6 Speed
    Added Sep 2019 • 14 Fuel-ups

    Property of jjj4x4

  • 8.5 Avg MPG
  • 2015 3500 Sierra

    2015 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added May 2019 • 21 Fuel-ups

    Property of NJFF41

  • 15.3 Avg MPG
  • GMC Hd

    2015 GMC Sierra 3500 HD 6.6L V8 DIESEL Automatic 6 Speed Cab & Chassis - Crew Cab
    Added Oct 2018 • 160 Fuel-ups

    Property of dflores81

  • 13.8 Avg MPG
  • GMC Sierra 3500 HD

    2015 GMC Sierra 3500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
    Added Dec 2018 • 17 Fuel-ups

    Property of CAPaul

  • 12.6 Avg MPG
  • Little Red Wagon

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2018 • 215 Fuel-ups

    Property of ANK01

  • 14.6 Avg MPG
  • Sierra 3500 HD

    2015 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2018 • 62 Fuel-ups

    Property of Crash

  • 14.0 Avg MPG
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
    Added Mar 2018 • 79 Fuel-ups

    Property of exrr35

  • 16.5 Avg MPG
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2018 • 51 Fuel-ups

    Property of tbelllis1963

  • 15.0 Avg MPG
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 27 Fuel-ups

    Property of lost_okie

  • 13.5 Avg MPG
  • Gmc 3500

    2015 GMC Sierra 3500 HD 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2017 • 254 Fuel-ups

    Property of johndeere160lc

  • 13.6 Avg MPG
  • GMC HD

    2015 GMC Sierra 3500 HD 6.6L V8 DIESEL Automatic 6 Speed Cab & Chassis - Crew Cab
    Added Oct 2018 • 179 Fuel-ups

    Property of dflores81

  • 14.2 Avg MPG
  • Great white

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Feb 2015 • 70 Fuel-ups

    Property of 2manyliters

  • 14.4 Avg MPG
  • 2015 GMC 3500

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 256 Fuel-ups

    Property of nbomar1

  • 13.9 Avg MPG
  • 2015 GMC 3500

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2016 • 192 Fuel-ups

    Property of modoan

  • 13.1 Avg MPG
  • Denali

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2015 • 203 Fuel-ups

    Property of cowdoc

  • 19.6 Avg MPG
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2015 • 145 Fuel-ups

    Property of exrr35

  • 17.5 Avg MPG

Recent Activity

from other GMC Sierra 3500 HD vehicles (View All)

Tips

Accelerate to save maximum fuel.

A test by Popular Mechanics revealed that slower isn't neces... ...

by scalz

Read more tips