2015 GMC Sierra 2500 HD MPG

Based on data from 52 vehicles, 2,095 fuel-ups and 722,518 miles of driving, the 2015 GMC Sierra 2500 HD gets a combined Avg MPG of 13.66 with a 0.14 MPG margin of error.

Below you can see a distribution of the fuel-ups with 27 outliers (1.27%) removed.

Following shows the average MPG of each of the 52 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 Aug 2016 • 87 Fuel-ups

    Property of odenfire1819

  • 14.9 Avg MPG
  • 2015 GMC Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added May 2017 • 4 Fuel-ups

    Property of zxcv

  • 12.8 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2015 • 69 Fuel-ups

    Property of pcloss

  • 13.7 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2016 • 66 Fuel-ups

    Property of btencer

  • 12.1 Avg MPG
  • Big Red

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 7 Speed Crew Cab Pickup
    Added Oct 2015 • 54 Fuel-ups

    Property of Goldwing

  • 14.6 Avg MPG
  • GMC DENALI

    2015 GMC Sierra 2500 HD Denali 6.6L DIESEL V8 Automatic 6 Crew Cab Pickup (4 Door)
    Added Mar 2015 • 58 Fuel-ups

    Property of Bsparkhurst

  • 15.5 Avg MPG
  • GMC Truck

    2015 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 18 Fuel-ups

    Property of thevinman2

  • 10.1 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Cab & Chassis - Crew Cab
    Added Jun 2015 • 126 Fuel-ups

    Property of flymhi

  • 15.8 Avg MPG
  • 2015 Sierra Denalli HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 102 Fuel-ups

    Property of LynnE24

  • 15.1 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2016 • 22 Fuel-ups

    Property of clnracing

  • 14.1 Avg MPG
  • Denali 2500

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 81 Fuel-ups

    Property of jesse828

  • 12.9 Avg MPG
  • Work Truck

    2015 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2016 • 153 Fuel-ups

    Property of iblackwe

  • 11.6 Avg MPG
  • Sara

    2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2015 • 84 Fuel-ups

    Property of Madams1371

  • 13.3 Avg MPG
  • Sierra

    2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2015 • 40 Fuel-ups

    Property of staffordnath

  • 11.8 Avg MPG
  • sierra

    2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Apr 2015 • 83 Fuel-ups

    Property of theiceman2448

  • 11.6 Avg MPG
  • Denali HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2017 • 96 Fuel-ups

    Property of DenaliDad

  • 12.9 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Crew Cab Pickup (4 Door)
    Added Aug 2015 • 39 Fuel-ups

    Property of Hachiroku86

  • 15.2 Avg MPG
  • Sierra

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
    Added Mar 2017 • 25 Fuel-ups

    Property of SteveB27

  • 14.0 Avg MPG
  • 2015 Truck

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 79 Fuel-ups

    Property of ryankx250

  • 14.9 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2017 • 10 Fuel-ups

    Property of csgt8877

  • 17.3 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

Tips

fuel additives

use a fuel additive. i use lucas fuel treatment and have no... ...

by joedonbob

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