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2015 GMC Sierra 1500 MPG

Based on data from 206 vehicles, 20,204 fuel-ups and 5,913,912 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

  • 2015 GMC Sierra Crew Cab

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2016 • 239 Fuel-ups

    Property of dbowman711

  • 15.7 Avg MPG
  • Team Blue (Truck)

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Jan 2022 • 57 Fuel-ups

    Property of TeamBlue

  • 16.2 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
  • GMC Sierra Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Aug 2016 • 314 Fuel-ups

    Property of mnetland

  • 18.6 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2019 • 210 Fuel-ups

    Property of CaptAbrahamSmollett

  • 15.3 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
  • My Sierra 1500

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2021 • 14 Fuel-ups

    Property of Colton1500

  • 13.9 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Feb 2018 • 120 Fuel-ups

    Property of Hash59

  • 17.4 Avg MPG
  • My GMC 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Jun 2017 • 200 Fuel-ups

    Property of bjsgasdata

  • 16.4 Avg MPG
  • Silver Surfer

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Apr 2016 • 314 Fuel-ups

    Property of humenfly

  • 17.8 Avg MPG
  • Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added May 2020 • 115 Fuel-ups

    Property of jurbin

  • 16.0 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Nov 2020 • 185 Fuel-ups

    Property of glennm66

  • 14.6 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Nov 2018 • 481 Fuel-ups

    Property of CStreff

  • 18.1 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Oct 2017 • 218 Fuel-ups

    Property of rguerrer93

  • 16.2 Avg MPG

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