Click here to see important news regarding the aCar App

2021 GMC Sierra 1500 MPG

Based on data from 115 vehicles, 1,484 fuel-ups and 549,638 miles of driving, the 2021 GMC Sierra 1500 gets a combined Avg MPG of 19.94 with a 0.29 MPG margin of error.

Below you can see a distribution of the fuel-ups with 2 outliers (0.13%) removed.

Following shows the average MPG of each of the 115 vehicles in the system.

2021 GMC Sierra 1500s For Sale Nearby

  • 2021 Sierra 1500

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Mar 2021 • 26 Fuel-ups

    Property of MWC_64

  • 23.4 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Jul 2021 • 8 Fuel-ups

    Property of 3xjlerma

  • 20.3 Avg MPG
  • 21 Sierra

    2021 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
    Added Nov 2020 • 25 Fuel-ups

    Property of wildman22john

  • 15.2 Avg MPG
  • Blue Steel

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Jun 2021 • 4 Fuel-ups

    Property of njaybong

  • 26.0 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Mar 2021 • 12 Fuel-ups

    Property of Erikm1982

  • 24.2 Avg MPG
  • 21 Sierra 1500

    2021 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
    Added Apr 2021 • 15 Fuel-ups

    Property of thekevin

  • 25.0 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
    Added Jun 2021 • 18 Fuel-ups

    Property of Reaper_

  • 15.8 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
    Added Jun 2021 • 13 Fuel-ups

    Property of jtowns

  • 15.8 Avg MPG
  • GMC

    2021 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
    Added Jul 2021 • 4 Fuel-ups

    Property of edwin191

  • 19.0 Avg MPG
  • '21 White AT4 DuraMax

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Dec 2020 • 19 Fuel-ups

    Property of APokowski

  • 20.4 Avg MPG
  • Sasha 2

    2021 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic Crew Cab Pickup
    Added Apr 2021 • 19 Fuel-ups

    Property of fides893

  • 15.5 Avg MPG
  • Sierra 1500

    2021 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
    Added Dec 2020 • 36 Fuel-ups

    Property of rdurbin

  • 15.6 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Jan 2021 • 29 Fuel-ups

    Property of rotorslap

  • 21.9 Avg MPG
  • His Sierra 1500 AT4

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Feb 2021 • 13 Fuel-ups

    Property of davisfarm86

  • 18.8 Avg MPG
  • Grey Ghost

    2021 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Feb 2021 • 25 Fuel-ups

    Property of Britbeamer

  • 19.1 Avg MPG
  • Sierra 1500

    2021 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
    Added Jul 2021 • 5 Fuel-ups

    Property of Mason20

  • 25.6 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
    Added Jul 2021 • 7 Fuel-ups

    Property of John30563

  • 24.4 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Dec 2020 • 23 Fuel-ups

    Property of bh1703

  • 20.3 Avg MPG
  • MiniMax

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Feb 2021 • 30 Fuel-ups

    Property of cjel23

  • 24.4 Avg MPG
  • 2021 Elevation

    2021 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Jun 2021 • 7 Fuel-ups

    Property of craigw76

  • 17.8 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Don't turn on the engine if its not needed

There are some situations in which turning on the engine is ... ...

by judacomadc

Read more tips