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2023 GMC Sierra 1500 MPG

Based on data from 132 vehicles, 5,395 fuel-ups and 2,083,391 miles of driving, the 2023 GMC Sierra 1500 gets a combined Avg MPG of 21.23 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 49 outliers (0.90%) removed.

Following shows the average MPG of each of the 132 vehicles in the system.

2023 GMC Sierra 1500s For Sale Nearby

  • My Sierra 1500

    2023 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Dec 2023 • 6 Fuel-ups

    Property of pitty27

  • 25.8 Avg MPG
  • 2023 GMC Denali

    2023 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
    Added Jul 2023 • 20 Fuel-ups

    Property of RyanLecuyer

  • 21.5 Avg MPG
  • My Sierra 1500

    2023 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
    Added Aug 2023 • 21 Fuel-ups

    Property of btango05

  • 25.7 Avg MPG
  • My Sierra 1500

    2023 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Dec 2023 • 3 Fuel-ups

    Property of cruse

  • 18.9 Avg MPG
  • My Sierra 1500

    2023 GMC Sierra 1500 Denali
    Added Jan 2023 • 49 Fuel-ups

    Property of jrwayne4

  • 25.2 Avg MPG
  • My Slt

    2023 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
    Added Apr 2023 • 3 Fuel-ups

    Property of bbiles1

  • 20.5 Avg MPG
  • GMC

    2023 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Sep 2023 • 10 Fuel-ups

    Property of detmar

  • 18.3 Avg MPG
  • My Sierra 1500

    2023 GMC Sierra 1500 Denali
    Added Mar 2023 • 31 Fuel-ups

    Property of russ9443

  • 16.9 Avg MPG
  • My Sierra 1500

    2023 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 10 Speed
    Added Jun 2023 • 30 Fuel-ups

    Property of Trevizo

  • 18.4 Avg MPG
  • My Sierra 1500

    2023 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
    Added Aug 2023 • 9 Fuel-ups

    Property of tjchaffee

  • 22.6 Avg MPG
  • My Sierra 1500

    2023 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Jul 2023 • 7 Fuel-ups

    Property of mwood40

  • 21.8 Avg MPG
  • Sierra AT4

    2023 GMC Sierra 1500 AT4
    Added Mar 2023 • 21 Fuel-ups

    Property of Calvin6393

  • 21.4 Avg MPG

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