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2020 GMC Sierra 1500 MPG

Based on data from 139 vehicles, 4,031 fuel-ups and 1,371,212 miles of driving, the 2020 GMC Sierra 1500 gets a combined Avg MPG of 18.52 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 75 outliers (1.83%) removed.

Following shows the average MPG of each of the 139 vehicles in the system.

2020 GMC Sierra 1500s For Sale Nearby

  • My Sierra 1500

    2020 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
    Added Jan 2020 • 33 Fuel-ups

    Property of TigerDeAnn

  • 17.5 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 SLE 3.0L L6 DIESEL Automatic 10 Speed
    Added Jan 2021 • 37 Fuel-ups

    Property of Mijo123

  • 22.0 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
    Added Jan 2021 • 15 Fuel-ups

    Property of johnmoua64

  • 21.2 Avg MPG
  • My Sierra 1500

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

    Property of gswartz

  • 24.8 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
    Added Jul 2020 • 32 Fuel-ups

    Property of Wittfam4

  • 20.4 Avg MPG
  • Diesel Sierra 1500

    2020 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Oct 2020 • 21 Fuel-ups

    Property of Along411

  • 23.7 Avg MPG
  • My Denali

    2020 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
    Added Aug 2020 • 48 Fuel-ups

    Property of SEH22

  • 16.4 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Nov 2020 • 34 Fuel-ups

    Property of sickdiesel

  • 16.1 Avg MPG
  • Sierra 1500 AT4

    2020 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
    Added Mar 2020 • 33 Fuel-ups

    Property of michael621

  • 18.7 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
    Added Jan 2020 • 136 Fuel-ups

    Property of mja2770

  • 15.5 Avg MPG
  • Truck

    2020 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 9 Speed Extended Cab Pickup
    Added Aug 2020 • 41 Fuel-ups

    Property of Bw1881

  • 16.5 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
    Added Aug 2020 • 66 Fuel-ups

    Property of patt1silva

  • 15.4 Avg MPG
  • Sierra 1500 AT4

    2020 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
    Added Aug 2020 • 41 Fuel-ups

    Property of msteiner17

  • 16.6 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2020 • 14 Fuel-ups

    Property of brianjadams

  • 14.4 Avg MPG
  • 2020 GMC Sierra 1500 Denali

    2020 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
    Added Jun 2020 • 38 Fuel-ups

    Property of sk83

  • 23.5 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
    Added Feb 2020 • 53 Fuel-ups

    Property of bmh4301

  • 14.7 Avg MPG
  • Sierra 1500 4x4

    2020 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
    Added Jun 2020 • 43 Fuel-ups

    Property of Cman175

  • 24.2 Avg MPG
  • 2020 GMC Sierra

    2020 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Sep 2020 • 16 Fuel-ups

    Property of jndelisl

  • 16.8 Avg MPG
  • AT4

    2020 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
    Added Aug 2020 • 42 Fuel-ups

    Property of Mocek

  • 20.4 Avg MPG
  • Black Betty

    2020 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
    Added May 2020 • 29 Fuel-ups

    Property of taintfair

  • 17.0 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

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