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2021 GMC Sierra 1500 MPG

Based on data from 181 vehicles, 5,988 fuel-ups and 2,240,235 miles of driving, the 2021 GMC Sierra 1500 gets a combined Avg MPG of 20.10 with a 0.15 MPG margin of error.

Below you can see a distribution of the fuel-ups with 20 outliers (0.33%) removed.

Following shows the average MPG of each of the 181 vehicles in the system.

2021 GMC Sierra 1500s For Sale Nearby

  • Sierra

    2021 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Jan 2022 • 34 Fuel-ups

    Property of jc9995

  • 25.3 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Aug 2021 • 37 Fuel-ups

    Property of 76109

  • 18.9 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Jul 2021 • 20 Fuel-ups

    Property of muddernuker

  • 23.1 Avg MPG
  • Arnold

    2021 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
    Added Nov 2020 • 153 Fuel-ups

    Property of st333

  • 13.8 Avg MPG
  • 2021 Sierra 1500

    2021 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 10 Speed
    Added Apr 2021 • 37 Fuel-ups

    Property of yogi-bear

  • 16.6 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
    Added Dec 2020 • 131 Fuel-ups

    Property of SilverSully83

  • 25.0 Avg MPG
  • GMC Blackout

    2021 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
    Added Aug 2021 • 38 Fuel-ups

    Property of brockon

  • 20.3 Avg MPG
  • Bigfoot

    2021 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
    Added Mar 2022 • 15 Fuel-ups

    Property of White-Denali

  • 16.2 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
    Added Sep 2021 • 92 Fuel-ups

    Property of jblomseth

  • 17.0 Avg MPG
  • 21 GMC Sierra AT4

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 8 Speed
    Added Oct 2021 • 23 Fuel-ups

    Property of bhess19

  • 22.1 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 SLE 3.0L L6 DIESEL Automatic 10 Speed
    Added Sep 2021 • 22 Fuel-ups

    Property of Istijour

  • 23.7 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
    Added Jun 2021 • 96 Fuel-ups

    Property of jtowns

  • 16.4 Avg MPG
  • GMC Sierra 1500 Denali

    2021 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
    Added Dec 2021 • 25 Fuel-ups

    Property of Slugster

  • 23.6 Avg MPG
  • Work Sierra 1500

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Apr 2021 • 100 Fuel-ups

    Property of ChasN5ZXN

  • 22.6 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added May 2021 • 76 Fuel-ups

    Property of Silverflash22

  • 22.8 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
    Added Dec 2021 • 32 Fuel-ups

    Property of MoeD

  • 23.8 Avg MPG
  • GMC Sierra 1500 Elevation

    2021 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
    Added Dec 2021 • 11 Fuel-ups

    Property of amtrak8

  • 25.3 Avg MPG
  • Sasha 2

    2021 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic Crew Cab Pickup
    Added Apr 2021 • 46 Fuel-ups

    Property of fides893

  • 15.0 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
    Added Jul 2021 • 85 Fuel-ups

    Property of John30563

  • 24.0 Avg MPG
  • Sierra

    2021 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
    Added Oct 2021 • 65 Fuel-ups

    Property of avaag

  • 16.1 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Pump fuel at New Stations.

New stations have new pumps with filters etc. You will get t... ...

by jumpstat

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