2015 GMC Sierra 2500 HD MPG

Based on data from 45 vehicles, 1,590 fuel-ups and 564,498 miles of driving, the 2015 GMC Sierra 2500 HD gets a combined Avg MPG of 13.91 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 25 outliers (1.55%) removed.

Following shows the average MPG of each of the 45 vehicles in the system.

2015 GMC Sierra 2500 HDs For Sale Nearby

  • 2015 Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2016 • 9 Fuel-ups

    Property of Hiestand88

  • 14.4 Avg MPG
  • Work Truck

    2015 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2016 • 111 Fuel-ups

    Property of iblackwe

  • 11.8 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 52 Fuel-ups

    Property of odenfire1819

  • 14.7 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.0L V8 CNG Automatic 6 Speed
    Added Jan 2017 • 6 Fuel-ups

    Property of Branton

  • 10.4 Avg MPG
  • 2015 Sierra Denalli HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 85 Fuel-ups

    Property of LynnE24

  • 15.2 Avg MPG
  • GMC

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 49 Fuel-ups

    Property of tractor3E

  • 15.3 Avg MPG
  • Denali HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 51 Fuel-ups

    Property of Mavis500

  • 14.0 Avg MPG
  • sierra

    2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Apr 2015 • 65 Fuel-ups

    Property of theiceman2448

  • 11.3 Avg MPG
  • Sierra

    2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2015 • 33 Fuel-ups

    Property of staffordnath

  • 12.1 Avg MPG
  • Sara

    2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed
    Added Oct 2015 • 72 Fuel-ups

    Property of Madams1371

  • 13.1 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 • 95 Fuel-ups

    Property of flymhi

  • 15.9 Avg MPG
  • Duramax Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 55 Fuel-ups

    Property of jwsjr

  • 14.2 Avg MPG
  • Denali 2500

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 64 Fuel-ups

    Property of jesse828

  • 13.4 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2016 • 24 Fuel-ups

    Property of btencer

  • 12.0 Avg MPG
  • 2015 Truck

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 70 Fuel-ups

    Property of ryankx250

  • 15.2 Avg MPG
  • GMC DENALI

    2015 GMC Sierra 2500 HD Denali 6.6L DIESEL V8 Automatic 6 Crew Cab Pickup (4 Door)
    Added Mar 2015 • 49 Fuel-ups

    Property of Bsparkhurst

  • 15.7 Avg MPG
  • My Sierra 2500

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2015 • 47 Fuel-ups

    Property of hemigoat2003

  • 13.9 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2015 • 53 Fuel-ups

    Property of pcloss

  • 13.9 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 • 27 Fuel-ups

    Property of Hachiroku86

  • 14.9 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jul 2016 • 17 Fuel-ups

    Property of clnracing

  • 14.0 Avg MPG

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