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2015 GMC Sierra 2500 HD MPG

Based on data from 84 vehicles, 5,044 fuel-ups and 1,601,189 miles of driving, the 2015 GMC Sierra 2500 HD gets a combined Avg MPG of 12.94 with a 0.10 MPG margin of error.

Below you can see a distribution of the fuel-ups with 61 outliers (1.19%) removed.

Following shows the average MPG of each of the 84 vehicles in the system.

2015 GMC Sierra 2500 HDs For Sale Nearby

  • 2015 GMC

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2018 • 132 Fuel-ups

    Property of Dentil

  • 13.0 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2019 • 25 Fuel-ups

    Property of alibarle

  • 15.5 Avg MPG
  • Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 76 Fuel-ups

    Property of KTBHDH

  • 12.5 Avg MPG
  • Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2018 • 31 Fuel-ups

    Property of DooChess

  • 14.6 Avg MPG
  • GMC

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Nov 2017 • 105 Fuel-ups

    Property of smtyler

  • 13.5 Avg MPG
  • Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2019 • 3 Fuel-ups

    Property of Bluewaterworth

  • 16.1 Avg MPG
  • GMC Truck

    2015 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 73 Fuel-ups

    Property of thevinman2

  • 9.6 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Mar 2018 • 66 Fuel-ups

    Property of HuskerDustoff

  • 11.5 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added May 2018 • 22 Fuel-ups

    Property of sexterra23

  • 12.2 Avg MPG
  • 2015 Truck

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Dec 2018 • 21 Fuel-ups

    Property of JunkImpala

  • 9.6 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2017 • 107 Fuel-ups

    Property of DuramaxPoke

  • 13.1 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2016 • 194 Fuel-ups

    Property of btencer

  • 11.5 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2019 • 25 Fuel-ups

    Property of dave012

  • 14.0 Avg MPG
  • GMC Denali HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 93 Fuel-ups

    Property of gbender2379

  • 14.7 Avg MPG
  • GMC Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Sep 2017 • 181 Fuel-ups

    Property of artywoof

  • 10.1 Avg MPG
  • Dirty Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jun 2019 • 4 Fuel-ups

    Property of WalterWerks

  • 14.1 Avg MPG
  • 2015 Sierra 2500

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2015 • 123 Fuel-ups

    Property of hemigoat2003

  • 13.3 Avg MPG
  • Truck

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 50 Fuel-ups

    Property of Wallnut61

  • 13.6 Avg MPG
  • Big Blue

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added May 2014 • 58 Fuel-ups

    Property of fightenfire

  • 16.4 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2018 • 21 Fuel-ups

    Property of henley0926

  • 13.7 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

Tips

Coast In Gear

Lift off & let the engine do the braking instead of only usi... ...

by Deaks25

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