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2015 GMC Sierra 3500 HD MPG

Based on data from 28 vehicles, 1,897 fuel-ups and 708,823 miles of driving, the 2015 GMC Sierra 3500 HD gets a combined Avg MPG of 14.49 with a 0.20 MPG margin of error.

Below you can see a distribution of the fuel-ups with 23 outliers (1.20%) removed.

Following shows the average MPG of each of the 28 vehicles in the system.

2015 GMC Sierra 3500 HDs For Sale Nearby

  • Sierra 3500 HD

    2015 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2018 • 16 Fuel-ups

    Property of Crash

  • 13.7 Avg MPG
  • Gmc 3500

    2015 GMC Sierra 3500 HD 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2017 • 232 Fuel-ups

    Property of johndeere160lc

  • 13.7 Avg MPG
  • 3500 HD

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2018 • 31 Fuel-ups

    Property of finchman82

  • 15.0 Avg MPG
  • Little Red Wagon

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2018 • 163 Fuel-ups

    Property of ANK01

  • 14.2 Avg MPG
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
    Added Mar 2018 • 34 Fuel-ups

    Property of exrr35

  • 17.7 Avg MPG
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2018 • 20 Fuel-ups

    Property of tbelllis1963

  • 15.5 Avg MPG
  • Denali

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added May 2018 • 23 Fuel-ups

    Property of marcottemw

  • 10.9 Avg MPG
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 11 Fuel-ups

    Property of lost_okie

  • 11.9 Avg MPG
  • Guzzler

    2015 GMC Sierra 3500 HD SLT 6.0L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2015 • 88 Fuel-ups

    Property of Camstyn

  • 10.5 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
  • White GMC

    2015 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 76 Fuel-ups

    Property of jambiefsj

  • 13.0 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
  • Tims Denali Dually

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2015 • 98 Fuel-ups

    Property of tjflanman

  • 11.6 Avg MPG
  • GMC 3500

    2015 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 46 Fuel-ups

    Property of xrayman

  • 17.7 Avg MPG
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2017 • 5 Fuel-ups

    Property of chinaay

  • 10.7 Avg MPG
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2017 • 10 Fuel-ups

    Property of Pogobird

  • 11.3 Avg MPG
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2015 • 75 Fuel-ups

    Property of gjtj

  • 14.1 Avg MPG

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