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2015 GMC Sierra 2500 HD MPG

Based on data from 112 vehicles, 9,736 fuel-ups and 3,176,128 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 (1.24%) removed.

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

2015 GMC Sierra 2500 HDs For Sale Nearby

  • Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 338 Fuel-ups

    Property of KTBHDH

  • 12.1 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2020 • 70 Fuel-ups

    Property of ackerman12

  • 13.9 Avg MPG
  • My Truck

    2015 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Mar 2020 • 486 Fuel-ups

    Property of MikeJ135

  • 13.6 Avg MPG
  • GMC Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Sep 2017 • 426 Fuel-ups

    Property of artywoof

  • 9.5 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2021 • 101 Fuel-ups

    Property of cibalibeb

  • 12.6 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2019 • 256 Fuel-ups

    Property of dave012

  • 13.9 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2021 • 220 Fuel-ups

    Property of rjkaoud

  • 12.2 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2019 • 81 Fuel-ups

    Property of k1llswitch

  • 13.9 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2019 • 272 Fuel-ups

    Property of alibarle

  • 14.8 Avg MPG
  • Truck

    2015 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
    Added Mar 2019 • 225 Fuel-ups

    Property of Chartley04

  • 11.3 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2018 • 173 Fuel-ups

    Property of hunter9312

  • 16.5 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2021 • 92 Fuel-ups

    Property of hobby38y

  • 14.9 Avg MPG
  • El Caballo Negro

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2020 • 107 Fuel-ups

    Property of jpvilches86

  • 17.4 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2021 • 52 Fuel-ups

    Property of rookiefire14

  • 14.1 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2017 • 374 Fuel-ups

    Property of DuramaxPoke

  • 14.0 Avg MPG
  • 2015 Sierra 2500

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2015 • 180 Fuel-ups

    Property of hemigoat2003

  • 13.1 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2021 • 69 Fuel-ups

    Property of cdwarren

  • 15.4 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

  • 10.6 Avg MPG
  • Big Blue

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added May 2014 • 122 Fuel-ups

    Property of fightenfire

  • 15.9 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2021 • 3 Fuel-ups

    Property of blayrelily

  • 36.5 Avg MPG

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