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2015 GMC Sierra 1500 MPG

Based on data from 203 vehicles, 19,631 fuel-ups and 5,772,047 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.81 with a 0.05 MPG margin of error.

Below you can see a distribution of the fuel-ups with 583 outliers (2.88%) removed.

Following shows the average MPG of each of the 203 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 324 Fuel-ups

    Property of CurtK

  • 16.6 Avg MPG
  • My GMC 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Jun 2017 • 172 Fuel-ups

    Property of bjsgasdata

  • 16.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 5.3L V8 GAS Automatic 6 Speed
    Added Feb 2021 • 66 Fuel-ups

    Property of Rivera21

  • 13.3 Avg MPG
  • Gmc

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 198 Fuel-ups

    Property of StanIROCZ

  • 16.3 Avg MPG
  • Corys 2015 Seirra

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 243 Fuel-ups

    Property of MrFastcars

  • 14.2 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2019 • 182 Fuel-ups

    Property of CaptAbrahamSmollett

  • 15.3 Avg MPG
  • Truck

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 338 Fuel-ups

    Property of Dukesask

  • 14.9 Avg MPG
  • 15 GMC Sierra 1500 Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
    Added Oct 2019 • 175 Fuel-ups

    Property of HoustonC

  • 15.4 Avg MPG
  • Truck

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Oct 2018 • 153 Fuel-ups

    Property of kbreyette

  • 15.3 Avg MPG
  • GMC Truck

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2020 • 57 Fuel-ups

    Property of Chuck16785

  • 17.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Feb 2018 • 115 Fuel-ups

    Property of Hash59

  • 17.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2021 • 16 Fuel-ups

    Property of kyleiowa

  • 16.0 Avg MPG
  • Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added May 2020 • 83 Fuel-ups

    Property of jurbin

  • 16.2 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Apr 2018 • 268 Fuel-ups

    Property of ssirik

  • 14.5 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Nov 2019 • 59 Fuel-ups

    Property of Musang

  • 15.2 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 267 Fuel-ups

    Property of dgrule

  • 16.4 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Oct 2017 • 203 Fuel-ups

    Property of rguerrer93

  • 16.3 Avg MPG
  • 2015 GMC

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 224 Fuel-ups

    Property of bluez06

  • 15.3 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2015 • 398 Fuel-ups

    Property of Arctic388

  • 16.4 Avg MPG
  • Da Kon

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Sep 2021 • 22 Fuel-ups

    Property of Tclechner

  • 16.9 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

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