Click here to see important news regarding the aCar App

2018 GMC Yukon XL MPG

Based on data from 19 vehicles, 1,046 fuel-ups and 381,815 miles of driving, the 2018 GMC Yukon XL gets a combined Avg MPG of 15.38 with a 0.17 MPG margin of error.

Below you can see a distribution of the fuel-ups with 66 outliers (5.94%) removed.

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

2018 GMC Yukon XLs For Sale Nearby

  • My Yukon XL

    2018 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed
    Added Jan 2022 • 96 Fuel-ups

    Property of CamTheMan

  • 14.2 Avg MPG
  • Yukon XL

    2018 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed
    Added Oct 2020 • 172 Fuel-ups

    Property of beckertm

  • 14.7 Avg MPG
  • Bubonic (2018)

    2018 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed
    Added Aug 2018 • 186 Fuel-ups

    Property of CRHolden

  • 14.6 Avg MPG
  • 2018 GMC Yukon XL

    2018 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed
    Added Apr 2024 • 48 Fuel-ups

    Property of sjvanheerde

  • 13.7 Avg MPG
  • My Yukon XL

    2018 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed
    Added Nov 2024 • 14 Fuel-ups

    Property of csneed

  • 19.5 Avg MPG
  • Yukon XL

    2018 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed
    Added Jun 2022 • 106 Fuel-ups

    Property of ramdad

  • 16.4 Avg MPG
  • 2018 Yukon XL

    2018 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 8 Speed Sport Utility
    Added May 2022 • 91 Fuel-ups

    Property of Brunt

  • 24.8 Avg MPG
  • #30 2018 GMC Yukon XL

    2018 GMC Yukon XL SLE Automatic 6 Speed Sport Utility
    Added Jul 2024 • 12 Fuel-ups

    Property of SCSD3-Transportation

  • 20.1 Avg MPG
  • My Yukon XL

    2018 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed
    Added Feb 2023 • 73 Fuel-ups

    Property of MarcoF150

  • 15.0 Avg MPG
  • My Yukon XL

    2018 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed
    Added Oct 2022 • 54 Fuel-ups

    Property of imcalister

  • 16.9 Avg MPG
  • FLOTUS

    2018 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed
    Added Oct 2020 • 142 Fuel-ups

    Property of mrsmac22

  • 16.2 Avg MPG
  • My Yukon XL

    2018 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed
    Added Nov 2022 • 6 Fuel-ups

    Property of GR543

  • 16.7 Avg MPG
  • Destiny

    2018 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed Sport Utility
    Added Aug 2020 • 76 Fuel-ups

    Property of BlackViper

  • 17.1 Avg MPG
  • Yukon

    2018 GMC Yukon XL SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
    Added Aug 2022 • 16 Fuel-ups

    Property of marcottemw

  • 21.0 Avg MPG
  • My Yukon XL

    2018 GMC Yukon XL SLT 5.3L V8 GAS Automatic 6 Speed
    Added Apr 2021 • 25 Fuel-ups

    Property of BP1774

  • 16.4 Avg MPG
  • My Yukon XL

    2018 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed
    Added Sep 2019 • 45 Fuel-ups

    Property of triplebts

  • 16.2 Avg MPG
  • My Yukon XL

    2018 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed
    Added Jul 2020 • 5 Fuel-ups

    Property of cyber1satan

  • 14.4 Avg MPG
  • My Yukon XL

    2018 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed
    Added Sep 2018 • 48 Fuel-ups

    Property of brycewilliam

  • 15.9 Avg MPG
  • Denali

    2018 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed Sport Utility
    Added Jul 2018 • 9 Fuel-ups

    Property of MS3Jon

  • 18.9 Avg MPG

Recent Activity

from other GMC Yukon XL vehicles (View All)

Tips

Top Tier Fuel not what it's pumped up to be

An additive package cannot make good fuel out of dirty, low-... ...

by Jedda

Read more tips