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2015 GMC Sierra 2500 HD MPG

Based on data from 115 vehicles, 10,260 fuel-ups and 3,349,302 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 140 outliers (1.35%) removed.

Following shows the average MPG of each of the 115 vehicles in the system.

2015 GMC Sierra 2500 HDs For Sale Nearby

  • Duke

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jun 2019 • 273 Fuel-ups

    Property of timsterd

  • 12.1 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Oct 2017 • 141 Fuel-ups

    Property of Funnyguy1045

  • 10.2 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
    Added Apr 2023 • 8 Fuel-ups

    Property of yesubyllib

  • 7.3 Avg MPG
  • 2015 Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2023 • 231 Fuel-ups

    Property of OrangeMonza

  • 14.5 Avg MPG
  • 2015 Truck

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 182 Fuel-ups

    Property of Wallnut61

  • 13.9 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2016 • 113 Fuel-ups

    Property of clnracing

  • 14.9 Avg MPG
  • Denali (22)

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2021 • 70 Fuel-ups

    Property of kingtek

  • 13.2 Avg MPG
  • Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2019 • 91 Fuel-ups

    Property of Bluewaterworth

  • 12.9 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2021 • 48 Fuel-ups

    Property of Dodge1167

  • 16.0 Avg MPG
  • La Bete

    2015 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
    Added Sep 2021 • 3 Fuel-ups

    Property of Boo2u2

  • 18.4 Avg MPG
  • 2015 GMC

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2018 • 188 Fuel-ups

    Property of Dentil

  • 13.0 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2020 • 72 Fuel-ups

    Property of CaddoCreek

  • 16.3 Avg MPG
  • Brienne

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Sep 2019 • 54 Fuel-ups

    Property of Nitsua98

  • 11.3 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2020 • 35 Fuel-ups

    Property of Mlperry

  • 12.9 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2019 • 5 Fuel-ups

    Property of robby9074

  • 18.9 Avg MPG
  • Sierra Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jan 2018 • 160 Fuel-ups

    Property of rivcoinc

  • 13.4 Avg MPG
  • Denali HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Apr 2015 • 149 Fuel-ups

    Property of CHR3

  • 14.8 Avg MPG
  • Denali HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2017 • 190 Fuel-ups

    Property of DenaliDad

  • 13.7 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2020 • 5 Fuel-ups

    Property of ThatguyRoy

  • 11.8 Avg MPG
  • GMC

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Nov 2017 • 127 Fuel-ups

    Property of smtyler

  • 13.4 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

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