Based on data from 53 vehicles, 4,277 fuel-ups and 1,235,476 miles of driving, the 2015 GMC Yukon gets a combined Avg MPG of 15.81 with a 0.12 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (25) 6.2L V8 FLEX (27) Any Body Style Sport Utility (9) Any Submodel SLE (8) SLT (17) Denali (28)

Below you can see a distribution of the fuel-ups with 250 outliers (5.52%) removed.

Following shows the average MPG of each of the 53 vehicles in the system.

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• Denali

  2015 GMC Yukon Denali 6.2L V8 FLEX Automatic 8 Speed
  Added Nov 2019 • 101 Fuel-ups

  Property of MatesonG

• 15.4 Avg MPG

• Denali

  2015 GMC Yukon Denali 6.2L V8 FLEX Automatic Dual Clutch 8 Speed Sport Utility
  Added Dec 2019 • 201 Fuel-ups

  Property of danielel1970

• 14.7 Avg MPG

• My Yukon

  2015 GMC Yukon Denali 6.2L V8 FLEX Automatic 8 Speed
  Added Feb 2017 • 461 Fuel-ups

  Property of clifflowejr

• 16.2 Avg MPG

• My Yukon

  2015 GMC Yukon Denali 6.2L V8 FLEX Automatic 8 Speed
  Added Jun 2020 • 507 Fuel-ups

  Property of drwizbang

• 10.1 Avg MPG

• GMC Yukon

  2015 GMC Yukon SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2019 • 198 Fuel-ups

  Property of bull-lee

• 19.8 Avg MPG

• Yukon 2015

  2015 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Feb 2025 • 303 Fuel-ups

  Property of beckyparks01com

• 17.6 Avg MPG

• 2015 Yukon Denali

  2015 GMC Yukon Denali 6.2L V8 FLEX Automatic 8 Speed
  Added Jan 2022 • 126 Fuel-ups

  Property of Devildognate

• 18.1 Avg MPG

• Yukon

  2015 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Jan 2024 • 34 Fuel-ups

  Property of WinePress

• 15.9 Avg MPG

• GMC Yukon

  2015 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Oct 2019 • 125 Fuel-ups

  Property of gwells

• 16.5 Avg MPG

• My Yukon

  2015 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Aug 2019 • 201 Fuel-ups

  Property of hoppy269

• 14.4 Avg MPG

• My Yukon

  2015 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2021 • 87 Fuel-ups

  Property of shahrkster

• 16.8 Avg MPG

• GMC

  2015 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Feb 2025 • 8 Fuel-ups

  Property of llaverty

• 41.2 Avg MPG

• My 15 Yukon

  2015 GMC Yukon Denali 6.2L V8 FLEX Automatic 8 Speed
  Added Feb 2021 • 81 Fuel-ups

  Property of crownedjules

• 24.7 Avg MPG

• Mjolnir

  2015 GMC Yukon Denali 6.2L V8 FLEX Automatic 8 Speed
  Added Sep 2021 • 50 Fuel-ups

  Property of 04RedRaider

• 14.8 Avg MPG

• Yukon U7286

  2015 GMC Yukon SLE 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Dec 2022 • 7 Fuel-ups

  Property of shad1e

• 17.0 Avg MPG

• Yukon

  2015 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Aug 2019 • 262 Fuel-ups

  Property of jeelbe

• 16.8 Avg MPG

• My Yukon

  2015 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Aug 2022 • 31 Fuel-ups

  Property of Brycer8

• 18.0 Avg MPG

• My Yukon

  2015 GMC Yukon SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Apr 2022 • 3 Fuel-ups

  Property of Mjcjr48439

• 3.5 Avg MPG

• 2015 Denali

  2015 GMC Yukon Denali 6.2L V8 FLEX Automatic 8 Speed
  Added Jun 2021 • 41 Fuel-ups

  Property of ThirtyX

• 15.0 Avg MPG

• Yukon

  2015 GMC Yukon Denali 6.2L V8 FLEX Automatic 8 Speed
  Added May 2018 • 102 Fuel-ups

  Property of malibumike

• 16.6 Avg MPG

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