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2015 GMC Sierra 2500 HD MPG

Based on data from 108 vehicles, 7,821 fuel-ups and 2,508,029 miles of driving, the 2015 GMC Sierra 2500 HD gets a combined Avg MPG of 12.95 with a 0.08 MPG margin of error.

Below you can see a distribution of the fuel-ups with 108 outliers (1.36%) removed.

Following shows the average MPG of each of the 108 vehicles in the system.

2015 GMC Sierra 2500 HDs For Sale Nearby

  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2017 • 259 Fuel-ups

    Property of DuramaxPoke

  • 13.3 Avg MPG
  • GMC Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Sep 2017 • 307 Fuel-ups

    Property of artywoof

  • 9.6 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2019 • 131 Fuel-ups

    Property of alibarle

  • 14.8 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 44 Fuel-ups

    Property of hunter9312

  • 16.2 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added May 2018 • 31 Fuel-ups

    Property of sexterra23

  • 11.0 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2015 • 253 Fuel-ups

    Property of flymhi

  • 15.5 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2019 • 138 Fuel-ups

    Property of dave012

  • 13.8 Avg MPG
  • Sierra Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2020 • 51 Fuel-ups

    Property of MikeGes

  • 12.5 Avg MPG
  • Black Beauty

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2020 • 25 Fuel-ups

    Property of mschweizer68

  • 15.6 Avg MPG
  • Black Betty

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2020 • 42 Fuel-ups

    Property of jpvilches86

  • 17.3 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2018 • 92 Fuel-ups

    Property of henley0926

  • 13.4 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2021 • 72 Fuel-ups

    Property of rjkaoud

  • 12.6 Avg MPG
  • Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 220 Fuel-ups

    Property of KTBHDH

  • 11.9 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2021 • 39 Fuel-ups

    Property of Dodge1167

  • 16.1 Avg MPG
  • GMC Truck

    2015 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 146 Fuel-ups

    Property of thevinman2

  • 10.0 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Jul 2021 • 15 Fuel-ups

    Property of DrBob772000

  • 16.1 Avg MPG
  • BSE1

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2021 • 53 Fuel-ups

    Property of kingtek

  • 13.6 Avg MPG
  • My Truck

    2015 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Mar 2020 • 344 Fuel-ups

    Property of MikeJ135

  • 14.3 Avg MPG
  • Truck

    2015 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
    Added Mar 2019 • 165 Fuel-ups

    Property of Chartley04

  • 11.4 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2021 • 10 Fuel-ups

    Property of rookiefire14

  • 13.3 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

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Fuel economy feedback

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by JimG

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