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2015 GMC Sierra 1500 MPG

Based on data from 220 vehicles, 23,770 fuel-ups and 6,918,587 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.76 with a 0.04 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1527 outliers (6.04%) removed.

Created with Highcharts 4.0.4Avg MPGNumber of Fuel-ups101112131415161718192021050010001500200025003000350040004500

Following shows the average MPG of each of the 220 vehicles in the system.

Created with Highcharts 4.0.4Avg MPGNumber of Vehicles9101112131415161718192022232938051015202530354045505560

2015 GMC Sierra 1500s For Sale Nearby

  • GMC Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Aug 2017 • 261 Fuel-ups

    Property of eddykc03

  • 15.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Jan 2018 • 489 Fuel-ups

    Property of Karels

  • 16.8 Avg MPG
  • Sierra All Terrain

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2015 • 258 Fuel-ups

    Property of Gilles

  • 17.2 Avg MPG
  • GMC 1500 SLT

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2019 • 244 Fuel-ups

    Property of slatejoh

  • 14.4 Avg MPG
  • Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2017 • 286 Fuel-ups

    Property of giro

  • 15.1 Avg MPG
  • GMC Sierra Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Aug 2016 • 425 Fuel-ups

    Property of mnetland

  • 18.5 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2021 • 112 Fuel-ups

    Property of kyleiowa

  • 16.0 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2019 • 371 Fuel-ups

    Property of CaptAbrahamSmollett

  • 15.2 Avg MPG
  • 2015 GMC Sierra Crew Cab

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2016 • 374 Fuel-ups

    Property of dbowman711

  • 15.7 Avg MPG
  • BlueFishDogTooth III

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added May 2019 • 214 Fuel-ups

    Property of dennisp2938

  • 13.3 Avg MPG
  • Team Blue (Truck)

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Jan 2022 • 216 Fuel-ups

    Property of TeamBlue

  • 15.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Aug 2018 • 388 Fuel-ups

    Property of dustin8201

  • 14.5 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed
    Added May 2018 • 93 Fuel-ups

    Property of arcasey1989

  • 13.7 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Jan 2023 • 81 Fuel-ups

    Property of kblunt

  • 15.8 Avg MPG
  • My GMC 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Jun 2017 • 301 Fuel-ups

    Property of bjsgasdata

  • 16.1 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2023 • 81 Fuel-ups

    Property of Hetelle

  • 15.2 Avg MPG
  • 2015 GMC

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 313 Fuel-ups

    Property of bluez06

  • 15.1 Avg MPG
  • GMC

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jul 2021 • 438 Fuel-ups

    Property of jarrett85

  • 15.2 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2015 • 117 Fuel-ups

    Property of Clemsonfan15

  • 16.0 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2023 • 125 Fuel-ups

    Property of Nholley

  • 17.8 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

..avoid highway "inch-worm" effect..

..ever run into a highway slowdown which has no apparent cau... ...

by cee

Read more tips