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2015 GMC Sierra 1500 MPG

Based on data from 220 vehicles, 24,343 fuel-ups and 7,041,332 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.69 with a 0.04 MPG margin of error.

Below you can see a distribution of the fuel-ups with 743 outliers (2.96%) removed.

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

2015 GMC Sierra 1500s For Sale Nearby

  • Truck

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Jan 2023 • 14 Fuel-ups

    Property of fernwoodnation

  • 15.4 Avg MPG
  • My Sierra 1500

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

    Property of Rjoyce

  • 15.3 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Aug 2020 • 239 Fuel-ups

    Property of DougT2008

  • 14.4 Avg MPG
  • Sierra 1500 - Veronica

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Sep 2023 • 310 Fuel-ups

    Property of McCartney

  • 15.4 Avg MPG
  • Sierra 1500 - Veronica

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Nov 2019 • 310 Fuel-ups

    Property of McCartney

  • 15.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 5.3L V8 GAS Automatic 6 Speed
    Added Feb 2021 • 106 Fuel-ups

    Property of Rivera21

  • 13.5 Avg MPG
  • Sierra 1500

    2015 GMC Sierra 1500 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Jun 2019 • 131 Fuel-ups

    Property of BlackWatch62

  • 15.6 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2024 • 100 Fuel-ups

    Property of Strandman76

  • 15.0 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2024 • 100 Fuel-ups

    Property of Strandman76

  • 15.0 Avg MPG
  • Truck

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Oct 2018 • 202 Fuel-ups

    Property of kbreyette

  • 15.2 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Nov 2022 • 18 Fuel-ups

    Property of jdonoho

  • 15.6 Avg MPG
  • Little Blue

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Mar 2022 • 42 Fuel-ups

    Property of psm11911

  • 17.0 Avg MPG
  • Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Jun 2019 • 126 Fuel-ups

    Property of Gmguy426

  • 8.4 Avg MPG
  • SIERRA

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Extended Cab Pickup
    Added May 2022 • 58 Fuel-ups

    Property of steven540i

  • 17.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Feb 2022 • 56 Fuel-ups

    Property of amumcgann

  • 18.1 Avg MPG
  • 2015 GMC SIERRA CREW CAB TOWING

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Jun 2015 • 58 Fuel-ups

    Property of Freeweeling

  • 14.1 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 291 Fuel-ups

    Property of dgrule

  • 16.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Jun 2022 • 7 Fuel-ups

    Property of abby1127

  • 17.9 Avg MPG
  • GMC Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2020 • 23 Fuel-ups

    Property of KeeBlitz

  • 18.7 Avg MPG
  • '15 GMC Seirra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Jul 2019 • 64 Fuel-ups

    Property of danny_coggins

  • 15.7 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Be light footed!

Throttle position (gas pedal) is the most directly controlla... ...

by frabjousferret

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