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2015 GMC Sierra 2500 HD MPG

Based on data from 87 vehicles, 5,138 fuel-ups and 1,628,583 miles of driving, the 2015 GMC Sierra 2500 HD gets a combined Avg MPG of 12.93 with a 0.10 MPG margin of error.

Below you can see a distribution of the fuel-ups with 62 outliers (1.19%) removed.

Following shows the average MPG of each of the 87 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 May 2019 • 29 Fuel-ups

    Property of dave012

  • 13.9 Avg MPG
  • Denali HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2017 • 155 Fuel-ups

    Property of DenaliDad

  • 13.3 Avg MPG
  • Sierra 2500 HD Denali

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

    Property of tlish1

  • 14.1 Avg MPG
  • GMC Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Sep 2017 • 185 Fuel-ups

    Property of artywoof

  • 10.1 Avg MPG
  • Truck

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 54 Fuel-ups

    Property of Wallnut61

  • 13.7 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2017 • 110 Fuel-ups

    Property of DuramaxPoke

  • 13.2 Avg MPG
  • Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2018 • 41 Fuel-ups

    Property of kbrooks17

  • 13.8 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2019 • 29 Fuel-ups

    Property of alibarle

  • 15.3 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 44 Fuel-ups

    Property of dirtymax15

  • 13.6 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2016 • 72 Fuel-ups

    Property of clnracing

  • 14.8 Avg MPG
  • GMC Truck

    2015 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 76 Fuel-ups

    Property of thevinman2

  • 9.7 Avg MPG
  • Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2018 • 35 Fuel-ups

    Property of DooChess

  • 14.6 Avg MPG
  • Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2019 • 12 Fuel-ups

    Property of Bluewaterworth

  • 13.4 Avg MPG
  • Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 79 Fuel-ups

    Property of KTBHDH

  • 12.5 Avg MPG
  • Truck

    2015 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
    Added Mar 2019 • 132 Fuel-ups

    Property of Chartley04

  • 11.5 Avg MPG
  • Dirtymax

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Aug 2019 • 5 Fuel-ups

    Property of Tvan2194

  • 13.0 Avg MPG
  • 2015 GMC

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2018 • 133 Fuel-ups

    Property of Dentil

  • 13.0 Avg MPG
  • GMC DENALI

    2015 GMC Sierra 2500 HD Denali 6.6L DIESEL V8 Automatic 6 Crew Cab Pickup (4 Door)
    Added Mar 2015 • 115 Fuel-ups

    Property of Bsparkhurst

  • 13.7 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Oct 2017 • 62 Fuel-ups

    Property of Funnyguy1045

  • 8.9 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Mar 2018 • 69 Fuel-ups

    Property of HuskerDustoff

  • 11.5 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

Tips

Synthetic oil usage

Synthetic oils can give you a 3-5 % increase in Gas mileage.... ...

by 98KO4

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