Based on data from 28 vehicles, 1,880 fuel-ups and 623,012 miles of driving, the 2017 GMC Yukon XL gets a combined Avg MPG of 15.22 with a 0.13 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (9) 5.3L V8 GAS (5) 6.2L V8 FLEX (14) Any Body Style Sport Utility (8) Any Submodel SLE (1) SLT (13) Denali (14)

Below you can see a distribution of the fuel-ups with 77 outliers (3.93%) removed.

Following shows the average MPG of each of the 28 vehicles in the system.

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• Denali XL

  2017 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 8 Speed
  Added Jul 2019 • 368 Fuel-ups

  Property of jcl_cls01

• 16.3 Avg MPG

• GMC Yukon

  2017 GMC Yukon XL SLT 5.3L V8 GAS Automatic 6 Speed Sport Utility
  Added Jan 2023 • 34 Fuel-ups

  Property of jwellnitz13

• 15.7 Avg MPG

• 2017 Yukon XL Denali

  2017 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 8 Speed Sport Utility
  Added Mar 2023 • 61 Fuel-ups

  Property of kruse

• 15.8 Avg MPG

• My Yukon XL

  2017 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 8 Speed
  Added Nov 2017 • 270 Fuel-ups

  Property of Kabarnowsky

• 15.9 Avg MPG

• 2017 GMC Yukon XL

  2017 GMC Yukon XL SLT 5.3L V8 GAS Automatic 6 Speed
  Added Apr 2023 • 45 Fuel-ups

  Property of Banaga

• 11.8 Avg MPG

• Yukon XL

  2017 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 8 Speed Sport Utility
  Added Nov 2022 • 63 Fuel-ups

  Property of AutoItKing

• 12.7 Avg MPG

• My Yukon XL

  2017 GMC Yukon XL SLT 5.3L V8 FLEX Automatic 6 Speed
  Added May 2018 • 162 Fuel-ups

  Property of myersa

• 16.8 Avg MPG

• 2017 GMC Yukon XL

  2017 GMC Yukon XL SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Mar 2021 • 261 Fuel-ups

  Property of Mwpratt5

• 15.3 Avg MPG

• My Yukon XL

  2017 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 8 Speed
  Added Jan 2024 • 5 Fuel-ups

  Property of Wolfpac

• 15.0 Avg MPG

• 2017 GMC Yukon XL

  2017 GMC Yukon XL SLT 5.3L V8 GAS Automatic 6 Speed
  Added Feb 2021 • 99 Fuel-ups

  Property of Tinman265

• 16.3 Avg MPG

• Yukon Denali XL

  2017 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 8 Speed
  Added Jul 2017 • 175 Fuel-ups

  Property of DanPond

• 13.6 Avg MPG

• My Yukon XL

  2017 GMC Yukon XL SLT 5.3L V8 GAS Automatic 6 Speed
  Added Aug 2023 • 6 Fuel-ups

  Property of tdang3338

• 17.1 Avg MPG

• My Yukon XL

  2017 GMC Yukon XL SLT 5.3L V8 GAS Automatic 6 Speed
  Added Mar 2022 • 6 Fuel-ups

  Property of poppie9619

• 16.4 Avg MPG

• 2017 Yukon Denali

  2017 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 8 Speed
  Added Mar 2017 • 57 Fuel-ups

  Property of hemigoat2003

• 15.7 Avg MPG

• Yukon XL

  2017 GMC Yukon XL SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Dec 2019 • 60 Fuel-ups

  Property of natecoy

• 15.5 Avg MPG

• Yukon XL Denali

  2017 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 8 Speed
  Added Dec 2019 • 38 Fuel-ups

  Property of zielinab

• 17.9 Avg MPG

• 2017 GMC Yukon XL SLT

  2017 GMC Yukon XL SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2017 • 59 Fuel-ups

  Property of gmctrk97

• 14.5 Avg MPG

• My Yukon XL

  2017 GMC Yukon XL SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Apr 2018 • 86 Fuel-ups

  Property of pbecht

• 17.1 Avg MPG

• Yukon Xl

  2017 GMC Yukon XL SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Oct 2017 • 97 Fuel-ups

  Property of Bq77

• 16.5 Avg MPG

• Ebony

  2017 GMC Yukon XL Denali 6.2L V8 FLEX Automatic 8 Speed Sport Utility
  Added Dec 2017 • 23 Fuel-ups

  Property of mindrumk424

• 16.4 Avg MPG

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