2020 GMC Yukon XL MPG

Based on data from 12 vehicles, 711 fuel-ups and 263,098 miles of driving, the 2020 GMC Yukon XL gets a combined Avg MPG of 15.39 with a 0.20 MPG margin of error.

Below you can see a distribution of the fuel-ups with 51 outliers (6.69%) removed.

Following shows the average MPG of each of the 12 vehicles in the system.

• Yukon

  2020 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed Sport Utility
  Added Jul 2022 • 85 Fuel-ups

  Property of kevinbushman

• 18.0 Avg MPG

• My Yukon XL 2020

  2020 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Aug 2023 • 147 Fuel-ups

  Property of drselch

• 17.7 Avg MPG

• Baby Beluga

  2020 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed Sport Utility
  Added Oct 2024 • 33 Fuel-ups

  Property of JasonFH

• 15.6 Avg MPG

• Yukon Denali

  2020 GMC Yukon XL Denali 6.2L V8 GAS Automatic 10 Speed Sport Utility
  Added Aug 2023 • 80 Fuel-ups

  Property of mmoesner

• 20.2 Avg MPG

• James

  2020 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Apr 2021 • 182 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 • 6 Fuel-ups

  Property of ax472325

• 14.0 Avg MPG

• My Yukon XL

  2020 GMC Yukon XL SLT 5.3L V8 GAS Automatic 10 Speed
  Added Jul 2020 • 234 Fuel-ups

  Property of chrisrapley

• 14.4 Avg MPG

• Abby’s Yukon XL

  2020 GMC Yukon XL SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2020 • 96 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 • 36 Fuel-ups

  Property of vzaggie08

• 14.5 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

• 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

• 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