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2014 GMC Sierra 2500 HD MPG

Based on data from 12 vehicles, 497 fuel-ups and 173,262 miles of driving, the 2014 GMC Sierra 2500 HD gets a combined Avg MPG of 14.08 with a 0.33 MPG margin of error.

Below you can see a distribution of the fuel-ups with 8 outliers (1.58%) removed.

Following shows the average MPG of each of the 12 vehicles in the system.

2014 GMC Sierra 2500 HDs For Sale Nearby

  • 2014 GMC Denali 2500 HD

    2014 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2016 • 25 Fuel-ups

    Property of phillyturbosix

  • 13.8 Avg MPG
  • DmaxZ71

    2014 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Nov 2015 • 67 Fuel-ups

    Property of Duramax62

  • 18.8 Avg MPG
  • My Sierra 2500 HD

    2014 GMC Sierra 2500 HD WT 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2017 • 20 Fuel-ups

    Property of RandD

  • 14.5 Avg MPG
  • My Sierra 2500 HD

    2014 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2017 • 21 Fuel-ups

    Property of fschulte

  • 11.0 Avg MPG
  • Sierra 2500 HD

    2014 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Jun 2015 • 54 Fuel-ups

    Property of mrxaero

  • 11.3 Avg MPG
  • Duramax

    2014 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2017 • 11 Fuel-ups

    Property of wpatterson307

  • 14.0 Avg MPG
  • GMC 2500 HD

    2014 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Sep 2015 • 14 Fuel-ups

    Property of mattdyer75

  • 30.6 Avg MPG
  • Denali HD

    2014 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jul 2014 • 127 Fuel-ups

    Property of Hawk06

  • 1.5 Avg MPG
  • My Sierra 2500 HD

    2014 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 8 Fuel-ups

    Property of bair316

  • 13.1 Avg MPG
  • 2500hd

    2014 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2014 • 14 Fuel-ups

    Property of guitar1999

  • 15.0 Avg MPG
  • GMC HD CC

    2014 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2014 • 132 Fuel-ups

    Property of rpres62

  • 15.5 Avg MPG
  • 2500HD 6.0L

    2014 GMC Sierra 2500 HD GAS
    Added Nov 2013 • 44 Fuel-ups

    Property of dbh99

  • 13.1 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

Tips

Do not hold on to high gears up inclines/merging roads

It might seem logical to keep it in a higher gear when you a... ...

by fingu

Read more tips