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2015 GMC Sierra 2500 HD MPG

Based on data from 120 vehicles, 10,683 fuel-ups and 3,487,781 miles of driving, the 2015 GMC Sierra 2500 HD gets a combined Avg MPG of 13.13 with a 0.07 MPG margin of error.

Below you can see a distribution of the fuel-ups with 150 outliers (1.38%) removed.

Following shows the average MPG of each of the 120 vehicles in the system.

2015 GMC Sierra 2500 HDs For Sale Nearby

  • Sara

    2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2015 • 121 Fuel-ups

    Property of Madams1371

  • 13.2 Avg MPG
  • sierra

    2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Apr 2015 • 153 Fuel-ups

    Property of theiceman2448

  • 11.3 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 2500 HD SLT 6.0L V8 GAS Automatic 6 Speed
    Added Sep 2019 • 128 Fuel-ups

    Property of WallyIAm

  • 13.5 Avg MPG
  • Sierra

    2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2015 • 75 Fuel-ups

    Property of staffordnath

  • 12.2 Avg MPG
  • 2018 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
    Added Jul 2018 • 12 Fuel-ups

    Property of SoundLine

  • 11.9 Avg MPG
  • 2015 Duramax Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2017 • 62 Fuel-ups

    Property of mnvik28

  • 13.1 Avg MPG
  • Earl

    2015 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Aug 2018 • 11 Fuel-ups

    Property of edaw

  • 12.0 Avg MPG
  • 2015 GMC Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added May 2017 • 24 Fuel-ups

    Property of zxcv

  • 11.6 Avg MPG
  • Trojan 176

    2015 GMC Sierra 2500 HD 6.0L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Oct 2017 • 316 Fuel-ups

    Property of MixPix

  • 10.5 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Apr 2018 • 11 Fuel-ups

    Property of mjakins

  • 11.5 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 119 Fuel-ups

    Property of odenfire1819

  • 14.9 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2015 • 92 Fuel-ups

    Property of pcloss

  • 13.8 Avg MPG
  • 2015 Sierra Denali HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 133 Fuel-ups

    Property of LynnE24

  • 15.2 Avg MPG
  • Sierra

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
    Added Mar 2017 • 38 Fuel-ups

    Property of SteveB27

  • 14.3 Avg MPG
  • MY15 Duramax

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 69 Fuel-ups

    Property of Mavis500

  • 14.0 Avg MPG
  • GMC

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Aug 2017 • 23 Fuel-ups

    Property of ipullen

  • 16.7 Avg MPG
  • Work Truck

    2015 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2016 • 157 Fuel-ups

    Property of iblackwe

  • 11.7 Avg MPG
  • Duramax Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 66 Fuel-ups

    Property of jwsjr

  • 14.2 Avg MPG
  • 2015 Truck

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 80 Fuel-ups

    Property of ryankx250

  • 14.9 Avg MPG
  • 2015 Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2016 • 10 Fuel-ups

    Property of Hiestand88

  • 14.4 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

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I follow the 26-12 sec rule. taught in the motorcycle safety... ...

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