Based on data from 47 vehicles, 1,774 fuel-ups and 489,737 miles of driving, the 2003 GMC Yukon XL 1500 gets a combined Avg MPG of 13.64 with a 0.14 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (14) 5.3L V8 GAS (15) 6.0L V8 GAS (15) V8 FLEX (1) Any Body Style Sport Utility (15) Any Submodel SLE (11) Denali (15) SLT (19) Other (2)

Below you can see a distribution of the fuel-ups with 53 outliers (2.90%) removed.

Following shows the average MPG of each of the 47 vehicles in the system.

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• Yukon XL Denali

  2003 GMC Yukon XL 1500 Denali 6.0L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2016 • 105 Fuel-ups

  Property of michaelmiller

• 15.6 Avg MPG

• Yukon Denali XL 1500

  2003 GMC Yukon XL 1500 Denali 6.0L V8 GAS Automatic 4 Speed
  Added Aug 2024 • 12 Fuel-ups

  Property of mikehw17

• 15.4 Avg MPG

• Yukon

  2003 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Sep 2020 • 96 Fuel-ups

  Property of classic70

• 14.5 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 Denali 6.0L V8 GAS Automatic 4 Speed
  Added Mar 2021 • 342 Fuel-ups

  Property of thoak

• 12.5 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Oct 2024 • 7 Fuel-ups

  Property of mvalore

• 13.3 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 Denali 6.0L V8 GAS Automatic 4 Speed
  Added Apr 2024 • 25 Fuel-ups

  Property of burber

• 14.8 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 4 Speed
  Added Aug 2024 • 3 Fuel-ups

  Property of foodboy767

• 27.0 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 Denali 6.0L V8 GAS Automatic 4 Speed
  Added Mar 2024 • 15 Fuel-ups

  Property of jmabrao

• 12.1 Avg MPG

• Bessy: 03 Yukon XL 1500

  2003 GMC Yukon XL 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Aug 2018 • 95 Fuel-ups

  Property of Haxena

• 11.6 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 4 Speed
  Added Aug 2023 • 16 Fuel-ups

  Property of Treycefus

• 12.6 Avg MPG

• Rudolph

  2003 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 4 Speed
  Added Jan 2015 • 202 Fuel-ups

  Property of cjlipps

• 16.3 Avg MPG

• Yukon

  2003 GMC Yukon XL 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 63 Fuel-ups

  Property of coach8948

• 14.5 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Jul 2023 • 25 Fuel-ups

  Property of ttyme19

• 14.4 Avg MPG

• The Yukon

  2003 GMC Yukon XL 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Jul 2023 • 23 Fuel-ups

  Property of joe___hill

• 13.6 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2023 • 3 Fuel-ups

  Property of russ_manda

• 14.0 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2019 • 107 Fuel-ups

  Property of gjchapman

• 14.8 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Oct 2019 • 47 Fuel-ups

  Property of 1993jdharper

• 12.3 Avg MPG

• Thirsty White Brute

  2003 GMC Yukon XL 1500 SLE 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Mar 2022 • 47 Fuel-ups

  Property of helderman86

• 12.1 Avg MPG

• 03 Yukon

  2003 GMC Yukon XL 1500 SLE 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Jan 2020 • 6 Fuel-ups

  Property of Joegreen

• 78.8 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 4 Speed
  Added Feb 2022 • 15 Fuel-ups

  Property of dbuckley1984

• 14.5 Avg MPG

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