2015 GMC Sierra 3500 HD MPG

Based on data from 21 vehicles, 1,447 fuel-ups and 548,931 miles of driving, the 2015 GMC Sierra 3500 HD gets a combined Avg MPG of 14.49 with a 0.24 MPG margin of error.

Below you can see a distribution of the fuel-ups with 18 outliers (1.23%) removed.

Following shows the average MPG of each of the 21 vehicles in the system.

2015 GMC Sierra 3500 HDs For Sale Nearby

  • Gmc 3500

    2015 GMC Sierra 3500 HD 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2017 • 169 Fuel-ups

    Property of johndeere160lc

  • 13.8 Avg MPG
  • Denali

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2015 • 178 Fuel-ups

    Property of cowdoc

  • 19.6 Avg MPG
  • 2015 GMC 3500

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 229 Fuel-ups

    Property of nbomar1

  • 14.0 Avg MPG
  • White GMC

    2015 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 61 Fuel-ups

    Property of jambiefsj

  • 12.8 Avg MPG
  • 2015 GMC 3500

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2016 • 165 Fuel-ups

    Property of modoan

  • 13.1 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 Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2015 • 138 Fuel-ups

    Property of exrr35

  • 17.8 Avg MPG
  • Tims Denali Dually

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2015 • 97 Fuel-ups

    Property of tjflanman

  • 11.6 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
  • Great white

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Feb 2015 • 58 Fuel-ups

    Property of 2manyliters

  • 14.4 Avg MPG
  • Guzzler

    2015 GMC Sierra 3500 HD SLT 6.0L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2015 • 77 Fuel-ups

    Property of Camstyn

  • 10.5 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
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD SLE
    Added May 2016 • 4 Fuel-ups

    Property of Pogobird

  • 12.0 Avg MPG
  • 2015 Denali 3500

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 110 Fuel-ups

    Property of Kturner

  • 15.2 Avg MPG
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
    Added Dec 2016 • 16 Fuel-ups

    Property of tobedestyn

  • 9.8 Avg MPG
  • GMC Sierra 3500 Denali

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2016 • 29 Fuel-ups

    Property of rkt4796606

  • 11.3 Avg MPG
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2015 • 5 Fuel-ups

    Property of 750hpDenali

  • 12.5 Avg MPG
  • Blue Dually

    2015 GMC Sierra 3500 HD Denali 6.6L DIESEL V8 Automatic 6 Crew Cab Pickup (4 Door)
    Added Apr 2015 • 58 Fuel-ups

    Property of BigJon

  • 12.5 Avg MPG
  • Denali HD

    2015 GMC Sierra 3500 HD Denali 6.6L DIESEL V8 Automatic 6
    Added Jun 2014 • 12 Fuel-ups

    Property of fury

  • 13.5 Avg MPG

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