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2020 GMC Sierra 1500 MPG

Based on data from 153 vehicles, 7,705 fuel-ups and 2,628,139 miles of driving, the 2020 GMC Sierra 1500 gets a combined Avg MPG of 18.66 with a 0.12 MPG margin of error.

Below you can see a distribution of the fuel-ups with 59 outliers (0.76%) removed.

Following shows the average MPG of each of the 153 vehicles in the system.

2020 GMC Sierra 1500s For Sale Nearby

  • Crimson Ride

    2020 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added May 2020 • 75 Fuel-ups

    Property of texbama

  • 21.5 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
    Added Oct 2021 • 99 Fuel-ups

    Property of AnglerAT

  • 25.2 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
    Added Sep 2020 • 32 Fuel-ups

    Property of Davecaps

  • 19.2 Avg MPG
  • Big Gray

    2020 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 8 Speed
    Added Oct 2020 • 61 Fuel-ups

    Property of wirowek

  • 23.2 Avg MPG
  • 2020 Sierra 1500 AT4

    2020 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Sep 2020 • 53 Fuel-ups

    Property of jhhaney97

  • 23.2 Avg MPG
  • Duramax

    2020 GMC Sierra 1500 SLE 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Apr 2020 • 89 Fuel-ups

    Property of mattb5150

  • 20.5 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
    Added Sep 2020 • 96 Fuel-ups

    Property of mbnereim

  • 16.5 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Aug 2020 • 67 Fuel-ups

    Property of jessemfa

  • 22.4 Avg MPG
  • Sierra 1500 AT4

    2020 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Apr 2020 • 55 Fuel-ups

    Property of jjuppyh

  • 23.1 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 Elevation 2.7L L4 GAS Automatic 10 Speed
    Added Apr 2020 • 60 Fuel-ups

    Property of Qbert

  • 16.4 Avg MPG
  • GMC Sierra

    2020 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
    Added Sep 2020 • 63 Fuel-ups

    Property of Bensontbjj1

  • 17.5 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
    Added Sep 2020 • 153 Fuel-ups

    Property of ImpRoma

  • 18.4 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 10 Speed
    Added Aug 2020 • 63 Fuel-ups

    Property of crggmc

  • 14.9 Avg MPG
  • Sierra

    2020 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
    Added Feb 2020 • 120 Fuel-ups

    Property of Bowtie76

  • 14.8 Avg MPG
  • AT4

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

    Property of rmsevo

  • 21.5 Avg MPG
  • Maxine

    2020 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
    Added Aug 2020 • 92 Fuel-ups

    Property of ItsMine

  • 25.4 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Mar 2022 • 11 Fuel-ups

    Property of JMcCabe

  • 18.6 Avg MPG
  • The Duramax

    2020 GMC Sierra 1500 SLE 3.0L L6 DIESEL Automatic 10 Speed
    Added Jan 2021 • 65 Fuel-ups

    Property of Mijo123

  • 21.9 Avg MPG
  • 2020 GMC Sierra 1500 Denali

    2020 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
    Added Jun 2020 • 58 Fuel-ups

    Property of sk83

  • 22.9 Avg MPG
  • 2020 Sierra - Towing

    2020 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Aug 2020 • 24 Fuel-ups

    Property of Rexpelagi

  • 19.7 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Watch MPG instead of l/100km when monitoring effeciency

MPG changes faster then l/100km with high efficiency because... ...

by Gscott919

Read more tips