Click here to see important news regarding the aCar App

2015 GMC Sierra 2500 HD MPG

Based on data from 89 vehicles, 5,551 fuel-ups and 1,765,438 miles of driving, the 2015 GMC Sierra 2500 HD gets a combined Avg MPG of 12.88 with a 0.10 MPG margin of error.

Below you can see a distribution of the fuel-ups with 76 outliers (1.35%) removed.

Following shows the average MPG of each of the 89 vehicles in the system.

2015 GMC Sierra 2500 HDs For Sale Nearby

  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2018 • 45 Fuel-ups

    Property of henley0926

  • 13.7 Avg MPG
  • 2015 GMC

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2018 • 152 Fuel-ups

    Property of Dentil

  • 13.1 Avg MPG
  • Truck

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 81 Fuel-ups

    Property of Wallnut61

  • 13.3 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2017 • 133 Fuel-ups

    Property of DuramaxPoke

  • 13.3 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2019 • 56 Fuel-ups

    Property of dave012

  • 13.6 Avg MPG
  • Truck

    2015 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
    Added Mar 2019 • 140 Fuel-ups

    Property of Chartley04

  • 11.4 Avg MPG
  • Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2019 • 54 Fuel-ups

    Property of Bluewaterworth

  • 13.1 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Oct 2017 • 71 Fuel-ups

    Property of Funnyguy1045

  • 9.0 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 • 169 Fuel-ups

    Property of flymhi

  • 16.2 Avg MPG
  • Brienne

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Sep 2019 • 17 Fuel-ups

    Property of Nitsua98

  • 11.2 Avg MPG
  • GMC Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Sep 2017 • 208 Fuel-ups

    Property of artywoof

  • 10.0 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2019 • 48 Fuel-ups

    Property of alibarle

  • 15.2 Avg MPG
  • GMC Truck

    2015 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 88 Fuel-ups

    Property of thevinman2

  • 9.6 Avg MPG
  • Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 111 Fuel-ups

    Property of KTBHDH

  • 12.0 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.0L V8 GAS Automatic 6 Speed
    Added Oct 2017 • 119 Fuel-ups

    Property of cort424

  • 11.3 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
    Added Nov 2019 • 8 Fuel-ups

    Property of ethanranft

  • 12.6 Avg MPG
  • Big Blue

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added May 2014 • 68 Fuel-ups

    Property of fightenfire

  • 16.3 Avg MPG
  • Sierra Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jan 2018 • 135 Fuel-ups

    Property of rivcoinc

  • 13.8 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2019 • 10 Fuel-ups

    Property of k1llswitch

  • 15.4 Avg MPG
  • Dirty Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jun 2019 • 24 Fuel-ups

    Property of WalterWerks

  • 13.7 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

Tips

V6 Honda Accord During Highway driving

When Cruising at 70 mph or faster (speed limit here is 80 he... ...

by Worldtraveler777

Read more tips