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2015 GMC Sierra 1500 MPG

Based on data from 200 vehicles, 18,987 fuel-ups and 5,591,677 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 555 outliers (2.84%) removed.

Following shows the average MPG of each of the 200 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • Sierra

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Nov 2019 • 263 Fuel-ups

    Property of McCartney

  • 15.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Feb 2018 • 106 Fuel-ups

    Property of Hash59

  • 17.5 Avg MPG
  • BlueFishDogTooth III

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added May 2019 • 78 Fuel-ups

    Property of dennisp2938

  • 13.0 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Nov 2018 • 427 Fuel-ups

    Property of CStreff

  • 18.1 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Nov 2019 • 44 Fuel-ups

    Property of Musang

  • 15.2 Avg MPG
  • 15 GMC Sierra 1500 Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
    Added Oct 2019 • 140 Fuel-ups

    Property of HoustonC

  • 15.4 Avg MPG
  • Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2017 • 176 Fuel-ups

    Property of giro

  • 15.6 Avg MPG
  • Truck

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 304 Fuel-ups

    Property of Dukesask

  • 14.8 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Aug 2018 • 197 Fuel-ups

    Property of dustin8201

  • 14.9 Avg MPG
  • Truck

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Oct 2018 • 132 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 • 37 Fuel-ups

    Property of Chuck16785

  • 17.3 Avg MPG
  • GMC Sierra Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Aug 2016 • 283 Fuel-ups

    Property of mnetland

  • 18.7 Avg MPG
  • 2015 GMC

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 211 Fuel-ups

    Property of bluez06

  • 15.3 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Nov 2020 • 143 Fuel-ups

    Property of glennm66

  • 14.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2019 • 148 Fuel-ups

    Property of CaptAbrahamSmollett

  • 15.3 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Oct 2017 • 193 Fuel-ups

    Property of rguerrer93

  • 16.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Jan 2018 • 215 Fuel-ups

    Property of Karels

  • 16.9 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Apr 2018 • 241 Fuel-ups

    Property of ssirik

  • 14.5 Avg MPG
  • Sierra All Terrain

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2015 • 167 Fuel-ups

    Property of Gilles

  • 17.4 Avg MPG
  • GMC 1500 SLT

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2019 • 65 Fuel-ups

    Property of slatejoh

  • 16.0 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Check what gear you are in.

New car - more gears? Change into 6th gear on the motorway,... ...

by Lembu

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