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2020 GMC Sierra 1500 MPG

Based on data from 19 vehicles, 140 fuel-ups and 42,468 miles of driving, the 2020 GMC Sierra 1500 gets a combined Avg MPG of 18.23 with a 0.68 MPG margin of error.

Below you can see a distribution of the fuel-ups with 8 outliers (5.41%) removed.

Following shows the average MPG of each of the 19 vehicles in the system.

2020 GMC Sierra 1500s For Sale Nearby

  • My Sierra 1500

    2020 GMC Sierra 1500 SLT
    Added Jan 2020 • 17 Fuel-ups

    Property of mja2770

  • 15.5 Avg MPG
  • Denali

    2020 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Mar 2020 • 4 Fuel-ups

    Property of hhernandez828

  • 25.7 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
    Added Feb 2020 • 6 Fuel-ups

    Property of Buellx72

  • 18.2 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
    Added Mar 2020 • 12 Fuel-ups

    Property of Fischer05

  • 26.4 Avg MPG
  • White AT4

    2020 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Mar 2020 • 3 Fuel-ups

    Property of Lerew

  • 20.4 Avg MPG
  • Sierra

    2020 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 8 Speed
    Added Jan 2020 • 14 Fuel-ups

    Property of nalani83

  • 15.3 Avg MPG
  • 2020 Sierra

    2020 GMC Sierra 1500 Elevation 2.7L L4 GAS Automatic 8 Speed Extended Cab Pickup
    Added Feb 2020 • 14 Fuel-ups

    Property of jamesthebikeguy

  • 20.4 Avg MPG
  • Sierra

    2020 GMC Sierra 1500 Elevation
    Added Nov 2019 • 30 Fuel-ups

    Property of nightrock548

  • 16.9 Avg MPG
  • Sierra 1500 Duramax

    2020 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
    Added Mar 2020 • 3 Fuel-ups

    Property of idlejunk

  • 22.9 Avg MPG
  • AT4

    2020 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
    Added Jan 2020 • 20 Fuel-ups

    Property of Greytauer

  • 17.5 Avg MPG
  • Sierra2020 Duramax

    2020 GMC Sierra 1500 SLE 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Mar 2020 • 3 Fuel-ups

    Property of tdidirtbag

  • 25.9 Avg MPG
  • 2020 GMC

    2020 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
    Added Feb 2020 • 7 Fuel-ups

    Property of garretn

  • 17.4 Avg MPG
  • Storm Trooper

    2020 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
    Added Feb 2020 • 9 Fuel-ups

    Property of seans

  • 23.5 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
    Added Feb 2020 • 3 Fuel-ups

    Property of gswartz

  • 25.0 Avg MPG
  • Mike’s 2020 Sierra 1500

    2020 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
    Added Feb 2020 • 6 Fuel-ups

    Property of Mikecompton

  • 17.0 Avg MPG
  • Sierra

    2020 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
    Added Feb 2020 • 7 Fuel-ups

    Property of Bowtie76

  • 16.0 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
    Added Feb 2020 • 5 Fuel-ups

    Property of bmh4301

  • 18.0 Avg MPG
  • My Sierra 1500

    2020 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
    Added Jan 2020 • 8 Fuel-ups

    Property of TigerDeAnn

  • 16.8 Avg MPG
  • Sierra 1500 SLT X31

    2020 GMC Sierra 1500 SLT
    Added Jan 2020 • 5 Fuel-ups

    Property of kkib2

  • 17.9 Avg MPG

Recent Activity

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Tips

accurate fuel pumping

Pay attention to how quickly your tank fills up and stop the... ...

by on2wheels

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