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2015 GMC Sierra 1500 MPG

Based on data from 206 vehicles, 20,219 fuel-ups and 5,917,860 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.80 with a 0.05 MPG margin of error.

Below you can see a distribution of the fuel-ups with 614 outliers (2.95%) removed.

Following shows the average MPG of each of the 206 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • Joey's GMC

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 215 Fuel-ups

    Property of Shakora

  • 13.9 Avg MPG
  • GMC Sierra Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Aug 2016 • 315 Fuel-ups

    Property of mnetland

  • 18.6 Avg MPG
  • 2015 GMC Sierra 1500 SLT

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Dec 2018 • 243 Fuel-ups

    Property of mnvik28

  • 14.5 Avg MPG
  • Da Kon

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Sep 2021 • 45 Fuel-ups

    Property of Tclechner

  • 16.7 Avg MPG
  • GMC Truck

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2020 • 73 Fuel-ups

    Property of Chuck16785

  • 17.1 Avg MPG
  • GMC

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jul 2021 • 328 Fuel-ups

    Property of jarrett85

  • 15.4 Avg MPG
  • 2015 GMC Sierra Crew Cab

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2016 • 240 Fuel-ups

    Property of dbowman711

  • 15.7 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2019 • 211 Fuel-ups

    Property of CaptAbrahamSmollett

  • 15.4 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Nov 2018 • 482 Fuel-ups

    Property of CStreff

  • 18.1 Avg MPG
  • Team Blue (Truck)

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Jan 2022 • 59 Fuel-ups

    Property of TeamBlue

  • 16.2 Avg MPG
  • Ali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
    Added Sep 2021 • 21 Fuel-ups

    Property of WPro

  • 16.4 Avg MPG
  • GMC 1500 SLT

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2019 • 109 Fuel-ups

    Property of slatejoh

  • 16.3 Avg MPG
  • Corys 2015 Seirra

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 251 Fuel-ups

    Property of MrFastcars

  • 14.1 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Aug 2018 • 257 Fuel-ups

    Property of dustin8201

  • 14.7 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Jan 2018 • 275 Fuel-ups

    Property of Karels

  • 17.0 Avg MPG
  • Little Blue

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Mar 2022 • 26 Fuel-ups

    Property of psm11911

  • 16.3 Avg MPG
  • GMC 1500 Crew

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Mar 2019 • 117 Fuel-ups

    Property of wingbase

  • 12.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 343 Fuel-ups

    Property of CurtK

  • 16.6 Avg MPG
  • Sierra All Terrain

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2015 • 194 Fuel-ups

    Property of Gilles

  • 17.4 Avg MPG
  • BlueFishDogTooth III

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added May 2019 • 101 Fuel-ups

    Property of dennisp2938

  • 12.7 Avg MPG

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