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2014 GMC Sierra 2500 HD MPG

Based on data from 31 vehicles, 2,485 fuel-ups and 794,027 miles of driving, the 2014 GMC Sierra 2500 HD gets a combined Avg MPG of 12.72 with a 0.15 MPG margin of error.

Below you can see a distribution of the fuel-ups with 23 outliers (0.92%) removed.

Following shows the average MPG of each of the 31 vehicles in the system.

  • Sierra 2500 HD

    2014 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Jun 2015 • 209 Fuel-ups

    Property of mrxaero

  • 10.6 Avg MPG
  • Duramax

    2014 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2021 • 128 Fuel-ups

    Property of Hawk06

  • 13.8 Avg MPG
  • Work truck

    2014 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Sep 2022 • 41 Fuel-ups

    Property of cdizzle

  • 10.0 Avg MPG
  • GMC Sierra 2500HD Denali

    2014 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
    Added Sep 2023 • 31 Fuel-ups

    Property of girk

  • 14.1 Avg MPG
  • Gmc

    2014 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added May 2018 • 291 Fuel-ups

    Property of lime4x4

  • 12.8 Avg MPG
  • My Sierra 2500 HD

    2014 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2023 • 16 Fuel-ups

    Property of firemans_hero

  • 15.1 Avg MPG
  • Sierra 2500 HD

    2014 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2018 • 104 Fuel-ups

    Property of belkster907

  • 15.2 Avg MPG
  • 2 - My Sierra 2500 HD

    2014 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 333 Fuel-ups

    Property of journeyfan91

  • 12.8 Avg MPG
  • My Sierra 2500 HD

    2014 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2022 • 43 Fuel-ups

    Property of mduester

  • 11.9 Avg MPG
  • Sierra 2500HD

    2014 GMC Sierra 2500 HD SLT 6.0L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Oct 2017 • 150 Fuel-ups

    Property of wsprsvp

  • 12.5 Avg MPG
  • My Sierra 2500 HD

    2014 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2020 • 79 Fuel-ups

    Property of bachelor_jr

  • 12.9 Avg MPG
  • 2014 GMC Denali 2500 HD

    2014 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2016 • 114 Fuel-ups

    Property of phillyturbosix

  • 14.2 Avg MPG
  • GMC

    2014 GMC Sierra 2500 HD WT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2020 • 136 Fuel-ups

    Property of boyerb83

  • 14.3 Avg MPG
  • My Sierra 2500 HD

    2014 GMC Sierra 2500 HD WT 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2017 • 257 Fuel-ups

    Property of RandD

  • 14.0 Avg MPG
  • Work Truck 2015

    2014 GMC Sierra 2500 HD WT 6.0L V8 GAS Automatic 6 Speed
    Added Dec 2019 • 173 Fuel-ups

    Property of 94XJ

  • 8.5 Avg MPG
  • My Sierra 2500 HD

    2014 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2021 • 6 Fuel-ups

    Property of shanecrowell

  • 9.9 Avg MPG
  • My Sierra 2500 HD

    2014 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 76 Fuel-ups

    Property of rzrscubasteve03

  • 14.4 Avg MPG
  • My Sierra 2500 HD

    2014 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2020 • 18 Fuel-ups

    Property of Nibs674

  • 13.0 Avg MPG
  • My Sierra 2500 HD

    2014 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2017 • 82 Fuel-ups

    Property of blackduramax1

  • 13.6 Avg MPG
  • My Sierra 2500 HD

    2014 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2019 • 9 Fuel-ups

    Property of Nibs674

  • 13.7 Avg MPG

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