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2015 GMC Sierra 2500 HD MPG

Based on data from 112 vehicles, 9,758 fuel-ups and 3,182,909 miles of driving, the 2015 GMC Sierra 2500 HD gets a combined Avg MPG of 13.12 with a 0.07 MPG margin of error.

Below you can see a distribution of the fuel-ups with 122 outliers (1.23%) removed.

Following shows the average MPG of each of the 112 vehicles in the system.

2015 GMC Sierra 2500 HDs For Sale Nearby

  • 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
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
    Added May 2021 • 12 Fuel-ups

    Property of reedsj94

  • 15.9 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
  • Dirty Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jun 2019 • 38 Fuel-ups

    Property of WalterWerks

  • 14.1 Avg MPG
  • GMC Truck

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Dec 2020 • 197 Fuel-ups

    Property of terriblecow

  • 12.3 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.0L V8 GAS Automatic 6 Speed
    Added Oct 2017 • 134 Fuel-ups

    Property of cort424

  • 11.4 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

Tips

Taking off

Accelerate slowly to the speed you need to go. Jackrabbit starts hurt MPGs more than anything!

by ZoomZoomFan

Read more tips