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2020 GMC Yukon XL MPG

Based on data from 13 vehicles, 964 fuel-ups and 357,736 miles of driving, the 2020 GMC Yukon XL gets a combined Avg MPG of 16.07 with a 0.25 MPG margin of error.

Below you can see a distribution of the fuel-ups with 30 outliers (3.02%) removed.

Following shows the average MPG of each of the 13 vehicles in the system.

2020 GMC Yukon XLs For Sale Nearby

  • My Yukon XL

    2020 GMC Yukon XL SLT 5.3L V8 GAS Automatic 10 Speed
    Added Jul 2020 • 245 Fuel-ups

    Property of chrisrapley

  • 14.4 Avg MPG
  • Yukon Denali

    2020 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed Sport Utility
    Added Aug 2023 • 89 Fuel-ups

    Property of mmoesner

  • 20.4 Avg MPG
  • My Yukon XL 2020

    2020 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed
    Added Aug 2023 • 166 Fuel-ups

    Property of drselch

  • 17.8 Avg MPG
  • Yukon

    2020 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed Sport Utility
    Added Jul 2022 • 96 Fuel-ups

    Property of kevinbushman

  • 18.4 Avg MPG
  • Baby Beluga

    2020 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed Sport Utility
    Added Oct 2024 • 48 Fuel-ups

    Property of JasonFH

  • 16.1 Avg MPG
  • Abby’s Yukon XL

    2020 GMC Yukon XL SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2020 • 100 Fuel-ups

    Property of duncains

  • 18.0 Avg MPG
  • My Yukon XL

    2020 GMC Yukon XL SLT 5.3L V8 GAS Automatic 6 Speed
    Added Dec 2023 • 42 Fuel-ups

    Property of vzaggie08

  • 14.3 Avg MPG
  • Yukon XL Denali

    2020 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed
    Added May 2021 • 9 Fuel-ups

    Property of jsampson

  • 11.5 Avg MPG
  • 2020 Yukon XL

    2020 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed Sport Utility
    Added May 2025 • 166 Fuel-ups

    Property of CheckerBoard

  • 20.4 Avg MPG
  • James

    2020 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed
    Added Apr 2021 • 186 Fuel-ups

    Property of dtaylor469

  • 15.2 Avg MPG
  • 2020 GMC Yukon XL Denali

    2020 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed
    Added Feb 2025 • 9 Fuel-ups

    Property of ax472325

  • 13.5 Avg MPG
  • 2020 GMC Yukon XL Denali

    2020 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed Sport Utility
    Added Jan 2025 • 54 Fuel-ups

    Property of pewterformula

  • 15.9 Avg MPG
  • My Yukon XL

    2020 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed
    Added Jan 2022 • 9 Fuel-ups

    Property of peterlyons79

  • 16.0 Avg MPG

Recent Activity

from other GMC Yukon XL vehicles (View All)

Tips

Do not exceed 110-114km/hour

Save fuel and get better mileage with your truck (I have an ... ...

by dod

Read more tips