Based on data from 25 vehicles, 1,662 fuel-ups and 438,761 miles of driving, the 2008 GMC Yukon XL 1500 gets a combined Avg MPG of 13.16 with a 0.13 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (7) 5.3L V8 GAS (1) 6.2L V8 GAS (15) Any Body Style Sport Utility (5) Any Submodel SLE (2) SLT (7) Denali (16)

Below you can see a distribution of the fuel-ups with 30 outliers (1.77%) removed.

Following shows the average MPG of each of the 25 vehicles in the system.

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• Denali

  2008 GMC Yukon XL 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Sep 2016 • 398 Fuel-ups

  Property of tazfix

• 13.0 Avg MPG

• My Yukon XL 1500

  2008 GMC Yukon XL 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Jan 2021 • 171 Fuel-ups

  Property of loganfox

• 15.2 Avg MPG

• Yukon

  2008 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Oct 2017 • 69 Fuel-ups

  Property of vincem1099

• 14.8 Avg MPG

• My Yukon XL 1500

  2008 GMC Yukon XL 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Aug 2020 • 144 Fuel-ups

  Property of boiler-country

• 13.7 Avg MPG

• 08 Yukon XL 1500 SLT

  2008 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 4 Speed
  Added Mar 2021 • 55 Fuel-ups

  Property of KHK1

• 13.7 Avg MPG

• Big Pimpin

  2008 GMC Yukon XL 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Nov 2023 • 15 Fuel-ups

  Property of jcharkins

• 12.2 Avg MPG

• Yukon

  2008 GMC Yukon XL 1500 SLT Automatic 4 Speed Sport Utility
  Added Mar 2018 • 22 Fuel-ups

  Property of woodjod

• 16.1 Avg MPG

• Yukon XL Denali

  2008 GMC Yukon XL 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Jan 2017 • 179 Fuel-ups

  Property of scarfache

• 12.6 Avg MPG

• 2008 GMC Yukon XL

  2008 GMC Yukon XL 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Feb 2017 • 325 Fuel-ups

  Property of Banaga

• 12.4 Avg MPG

• Yukon Denali XL

  2008 GMC Yukon XL 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Jan 2020 • 43 Fuel-ups

  Property of Petrol369

• 13.1 Avg MPG

• My Yukon XL 1500

  2008 GMC Yukon XL 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Apr 2022 • 4 Fuel-ups

  Property of lghtlsr

• 14.4 Avg MPG

• The Blue Tank

  2008 GMC Yukon XL 1500 SLT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Sep 2018 • 36 Fuel-ups

  Property of wasp1994

• 14.8 Avg MPG

• My Yukon XL 1500

  2008 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 4 Speed
  Added Jul 2016 • 63 Fuel-ups

  Property of hornit

• 15.2 Avg MPG

• Yukon Denali “Big White”

  2008 GMC Yukon XL 1500 Denali
  Added Apr 2020 • 13 Fuel-ups

  Property of Built

• 11.1 Avg MPG

• GMC Yukon Denali

  2008 GMC Yukon XL 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Sep 2016 • 58 Fuel-ups

  Property of otp1971

• 23.9 Avg MPG

• Clifford

  2008 GMC Yukon XL 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Aug 2017 • 74 Fuel-ups

  Property of meckdahl

• 12.0 Avg MPG

• Yukon

  2008 GMC Yukon XL 1500 Denali 6.2L V8 GAS Automatic 6 Speed Sport Utility
  Added Aug 2018 • 41 Fuel-ups

  Property of bluelakeside

• 13.3 Avg MPG

• Denali

  2008 GMC Yukon XL 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Sep 2016 • 72 Fuel-ups

  Property of jdshover

• 13.6 Avg MPG

• My Yukon XL 1500

  2008 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 4 Speed
  Added Nov 2017 • 33 Fuel-ups

  Property of blueRNel

• 12.9 Avg MPG

• My Yukon XL 1500

  2008 GMC Yukon XL 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Jun 2018 • 4 Fuel-ups

  Property of jbegler

• 14.3 Avg MPG

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