Based on data from 23 vehicles, 1,865 fuel-ups and 542,706 miles of driving, the 2012 GMC Yukon XL 1500 gets a combined Avg MPG of 13.26 with a 0.13 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (8) 6.2L V8 FLEX (12) Any Body Style Sport Utility (9) Any Submodel SLT (9) Denali (12) Other (2)

Below you can see a distribution of the fuel-ups with 118 outliers (5.95%) removed.

Following shows the average MPG of each of the 23 vehicles in the system.

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• Black and Tan

  2012 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2022 • 147 Fuel-ups

  Property of sambruner

• 12.6 Avg MPG

• Whitey

  2012 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed Sport Utility
  Added Jul 2022 • 141 Fuel-ups

  Property of Nosnhojymerej

• 14.1 Avg MPG

• My Yukon XL 1500

  2012 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Feb 2025 • 5 Fuel-ups

  Property of pbbigmac2

• 14.3 Avg MPG

• Denali

  2012 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Dec 2017 • 176 Fuel-ups

  Property of maarmour

• 14.7 Avg MPG

• Red Yukon

  2012 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Oct 2017 • 358 Fuel-ups

  Property of jfyoung11

• 18.1 Avg MPG

• Yukon XL

  2012 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Mar 2023 • 72 Fuel-ups

  Property of tiemeier

• 14.2 Avg MPG

• Denali

  2012 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Aug 2016 • 396 Fuel-ups

  Property of ldgatlin

• 13.6 Avg MPG

• Denali

  2012 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Jan 2023 • 60 Fuel-ups

  Property of dustinslaton

• 12.7 Avg MPG

• #24 2012 GMC Yukon XL

  2012 GMC Yukon XL 1500
  Added Jul 2024 • 19 Fuel-ups

  Property of SCSD3-Transportation

• 16.4 Avg MPG

• Red Beast

  2012 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Feb 2022 • 10 Fuel-ups

  Property of WolfRaider

• 42.7 Avg MPG

• My Yukon XL 1500

  2012 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Aug 2017 • 44 Fuel-ups

  Property of DDJ1331

• 14.0 Avg MPG

• Yukon

  2012 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed Sport Utility
  Added Feb 2020 • 3 Fuel-ups

  Property of Loganpaul

• 11.7 Avg MPG

• Yukon XL

  2012 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2016 • 407 Fuel-ups

  Property of rockettland

• 15.0 Avg MPG

• Limo - Denali XL

  2012 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed Sport Utility
  Added Jul 2022 • 11 Fuel-ups

  Property of P250UA5

• 15.7 Avg MPG

• My Yukon XL SLT

  2012 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Nov 2019 • 195 Fuel-ups

  Property of PittsZX2

• 12.5 Avg MPG

• Air Denali

  2012 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed Sport Utility
  Added Jan 2020 • 7 Fuel-ups

  Property of adambilling

• 12.6 Avg MPG

• My Yukon Denali

  2012 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Jun 2017 • 191 Fuel-ups

  Property of kentanddana

• 14.5 Avg MPG

• My Yukon XL 1500

  2012 GMC Yukon XL 1500 SLT
  Added May 2016 • 107 Fuel-ups

  Property of dhtr

• 13.6 Avg MPG

• The Burb

  2012 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Jun 2017 • 13 Fuel-ups

  Property of ZPAXTON

• 16.9 Avg MPG

• My Yukon XL 1500

  2012 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Apr 2017 • 18 Fuel-ups

  Property of maverickedition

• 15.6 Avg MPG

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