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2021 GMC Sierra 1500 MPG

Based on data from 80 vehicles, 915 fuel-ups and 330,819 miles of driving, the 2021 GMC Sierra 1500 gets a combined Avg MPG of 19.65 with a 0.36 MPG margin of error.

Below you can see a distribution of the fuel-ups with 2 outliers (0.22%) removed.

Following shows the average MPG of each of the 80 vehicles in the system.

2021 GMC Sierra 1500s For Sale Nearby

  • Maverick

    2021 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
    Added Feb 2021 • 21 Fuel-ups

    Property of mvprealestate

  • 15.2 Avg MPG
  • Arnold

    2021 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
    Added Nov 2020 • 46 Fuel-ups

    Property of st333

  • 15.8 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Mar 2021 • 16 Fuel-ups

    Property of ryank880

  • 22.0 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
    Added Jan 2021 • 38 Fuel-ups

    Property of Danm1228

  • 15.0 Avg MPG
  • 2021 Sierra 1500

    2021 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
    Added Dec 2020 • 22 Fuel-ups

    Property of bennybeat

  • 17.4 Avg MPG
  • My Sierra 1500

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

    Property of jwarner77

  • 26.5 Avg MPG
  • Sierra 1500

    2021 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
    Added Dec 2020 • 22 Fuel-ups

    Property of rdurbin

  • 15.0 Avg MPG
  • My Sierra 1500

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

    Property of standfas

  • 22.5 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
    Added Apr 2021 • 9 Fuel-ups

    Property of joh02051

  • 22.9 Avg MPG
  • MiniMax

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Feb 2021 • 19 Fuel-ups

    Property of cjel23

  • 24.4 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Dec 2020 • 24 Fuel-ups

    Property of dozier1978

  • 18.3 Avg MPG
  • CarbonPro Denali

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

    Property of tripleplay18

  • 26.3 Avg MPG
  • 2021 Sierra 1500

    2021 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 10 Speed
    Added Apr 2021 • 6 Fuel-ups

    Property of yogi-bear

  • 17.4 Avg MPG
  • '21 White AT4 DuraMax

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Dec 2020 • 14 Fuel-ups

    Property of APokowski

  • 19.9 Avg MPG
  • Ruby Max

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

    Property of tylerenyeart

  • 18.6 Avg MPG
  • My Sierra 1500

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

    Property of rotorslap

  • 22.2 Avg MPG
  • His Sierra 1500 AT4

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

    Property of davisfarm86

  • 17.8 Avg MPG
  • Big White Truck

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Dec 2020 • 8 Fuel-ups

    Property of eckseleven

  • 19.3 Avg MPG
  • My Sierra 1500

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

    Property of pluc_val

  • 24.3 Avg MPG
  • My Sierra 1500

    2021 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Mar 2021 • 7 Fuel-ups

    Property of Erikm1982

  • 23.5 Avg MPG

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