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2021 GMC Sierra 1500 MPG

Based on data from 151 vehicles, 3,292 fuel-ups and 1,240,720 miles of driving, the 2021 GMC Sierra 1500 gets a combined Avg MPG of 20.14 with a 0.20 MPG margin of error.

Below you can see a distribution of the fuel-ups with 6 outliers (0.18%) removed.

Following shows the average MPG of each of the 151 vehicles in the system.

2021 GMC Sierra 1500s For Sale Nearby

  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
    Added Aug 2021 • 20 Fuel-ups

    Property of tank91w

  • 15.1 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
    Added May 2021 • 39 Fuel-ups

    Property of jwarner77

  • 24.7 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Jul 2021 • 41 Fuel-ups

    Property of 3xjlerma

  • 18.1 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 Elevation 2.7L L4 GAS Automatic 10 Speed
    Added Nov 2021 • 8 Fuel-ups

    Property of Robbo1968

  • 17.3 Avg MPG
  • Night Train

    2021 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
    Added Aug 2021 • 31 Fuel-ups

    Property of jbab2004

  • 18.8 Avg MPG
  • 2021 GMC

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

    Property of creso

  • 21.6 Avg MPG
  • Sierra 1500

    2021 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
    Added Dec 2020 • 50 Fuel-ups

    Property of rdurbin

  • 15.4 Avg MPG
  • Clay 2021 Sierra 1500

    2021 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Feb 2021 • 23 Fuel-ups

    Property of chriii

  • 14.7 Avg MPG
  • Brown D

    2021 GMC Sierra 1500 SLE 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added May 2021 • 16 Fuel-ups

    Property of sc402443

  • 23.8 Avg MPG
  • My Sierra 1500

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

    Property of CJ_KC

  • 25.7 Avg MPG
  • Big White Truck

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Dec 2020 • 18 Fuel-ups

    Property of eckseleven

  • 18.6 Avg MPG
  • 2021 Sierra 1500

    2021 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
    Added Dec 2020 • 37 Fuel-ups

    Property of bennybeat

  • 17.3 Avg MPG
  • 2021 GMC Sierra AT4

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Feb 2021 • 52 Fuel-ups

    Property of JasperAutos

  • 22.0 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
    Added Jun 2021 • 49 Fuel-ups

    Property of jtowns

  • 16.3 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 Elevation 2.7L L4 GAS Automatic 8 Speed
    Added Aug 2021 • 7 Fuel-ups

    Property of johnoutdoors

  • 21.7 Avg MPG
  • 2021 Sierra Diesel

    2021 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed Cab & Chassis - Crew Cab
    Added Oct 2021 • 9 Fuel-ups

    Property of Mooseman2

  • 23.2 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
    Added Jun 2021 • 41 Fuel-ups

    Property of tgutwein

  • 25.1 Avg MPG
  • My Sierra AT4 1500

    2021 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
    Added Apr 2021 • 46 Fuel-ups

    Property of mich1989

  • 16.3 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Oct 2020 • 35 Fuel-ups

    Property of Nefariouss

  • 20.4 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
    Added Dec 2020 • 29 Fuel-ups

    Property of crs5011

  • 25.9 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

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