2018 GMC Yukon XL MPG

Based on data from 13 vehicles, 665 fuel-ups and 238,903 miles of driving, the 2018 GMC Yukon XL gets a combined Avg MPG of 15.51 with a 0.22 MPG margin of error.

Below you can see a distribution of the fuel-ups with 27 outliers (3.90%) removed.

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

• 2018 Yukon XL

  2018 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 8 Speed Sport Utility
  Added May 2022 • 13 Fuel-ups

  Property of Brunt

• 24.4 Avg MPG

• My Yukon XL

  2018 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jan 2022 • 18 Fuel-ups

  Property of CamTheMan

• 14.4 Avg MPG

• Destiny

  2018 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed Sport Utility
  Added Aug 2020 • 58 Fuel-ups

  Property of BlackViper

• 16.8 Avg MPG

• Yukon XL

  2018 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2020 • 72 Fuel-ups

  Property of beckertm

• 14.5 Avg MPG

• 2018 Yukon

  2018 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed Sport Utility
  Added Nov 2018 • 242 Fuel-ups

  Property of vpoppell

• 17.0 Avg MPG

• FLOTUS

  2018 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2020 • 80 Fuel-ups

  Property of mrsmac22

• 16.2 Avg MPG

• Yukon XL

  2018 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Jun 2022 • 8 Fuel-ups

  Property of ramdad

• 17.9 Avg MPG

• Bubonic (2018)

  2018 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Aug 2018 • 122 Fuel-ups

  Property of CRHolden

• 14.8 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