2015 GMC Sierra 2500 HD MPG

Based on data from 43 vehicles, 1,483 fuel-ups and 528,910 miles of driving, the 2015 GMC Sierra 2500 HD gets a combined Avg MPG of 13.95 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 25 outliers (1.66%) removed.

Following shows the average MPG of each of the 43 vehicles in the system.

2015 GMC Sierra 2500 HDs For Sale Nearby

  • Sara

    2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed
    Added Oct 2015 • 68 Fuel-ups

    Property of Madams1371

  • 13.1 Avg MPG
  • Duramax Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 53 Fuel-ups

    Property of jwsjr

  • 14.4 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 40 Fuel-ups

    Property of odenfire1819

  • 14.7 Avg MPG
  • GMC

    2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 47 Fuel-ups

    Property of tractor3E

  • 15.3 Avg MPG
  • Work Truck

    2015 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2016 • 95 Fuel-ups

    Property of iblackwe

  • 12.0 Avg MPG
  • sierra

    2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Apr 2015 • 54 Fuel-ups

    Property of theiceman2448

  • 11.4 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 • 91 Fuel-ups

    Property of flymhi

  • 15.8 Avg MPG
  • Denali 2500

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 62 Fuel-ups

    Property of jesse828

  • 13.3 Avg MPG
  • Denali HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 50 Fuel-ups

    Property of Mavis500

  • 14.0 Avg MPG
  • My Sierra 2500 HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2016 • 21 Fuel-ups

    Property of btencer

  • 11.8 Avg MPG
  • 2015 Sierra Denalli HD

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

    Property of LynnE24

  • 15.3 Avg MPG
  • 2015 Denali

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2016 • 3 Fuel-ups

    Property of Hiestand88

  • 14.6 Avg MPG
  • Denali HD

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Apr 2015 • 46 Fuel-ups

    Property of CHR3

  • 15.0 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 • 25 Fuel-ups

    Property of Hachiroku86

  • 14.8 Avg MPG
  • GMC DENALI

    2015 GMC Sierra 2500 HD Denali 6.6L DIESEL V8 Automatic 6 Crew Cab Pickup (4 Door)
    Added Mar 2015 • 48 Fuel-ups

    Property of Bsparkhurst

  • 15.7 Avg MPG
  • Big Red

    2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 7 Speed Crew Cab Pickup
    Added Oct 2015 • 43 Fuel-ups

    Property of Goldwing

  • 14.6 Avg MPG
  • 2015 Truck

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

    Property of ryankx250

  • 15.3 Avg MPG
  • My Sierra 2500

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

    Property of hemigoat2003

  • 14.0 Avg MPG
  • My Sierra 2500 HD

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

    Property of pcloss

  • 13.9 Avg MPG
  • Sierra

    2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2015 • 31 Fuel-ups

    Property of staffordnath

  • 12.2 Avg MPG

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