Based on data from 38 vehicles, 1,414 fuel-ups and 403,382 miles of driving, the 2003 GMC Yukon XL 1500 gets a combined Avg MPG of 13.74 with a 0.17 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (11) 5.3L V8 GAS (12) 6.0L V8 GAS (12) V8 FLEX (1) Any Body Style Sport Utility (15) Any Submodel SLE (9) Denali (12) SLT (15) Other (2)

Below you can see a distribution of the fuel-ups with 29 outliers (2.01%) removed.

Following shows the average MPG of each of the 38 vehicles in the system.

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• My Yukon XL 1500

  2003 GMC Yukon XL 1500 Denali 6.0L V8 GAS Automatic 4 Speed
  Added Mar 2021 • 154 Fuel-ups

  Property of thoak

• 12.0 Avg MPG

• Yukon

  2003 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Sep 2020 • 38 Fuel-ups

  Property of classic70

• 14.5 Avg MPG

• Yukon XL Denali

  2003 GMC Yukon XL 1500 Denali 6.0L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2016 • 94 Fuel-ups

  Property of michaelmiller

• 15.6 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

• Rudolph

  2003 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 4 Speed
  Added Jan 2015 • 178 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 • 59 Fuel-ups

  Property of coach8948

• 14.8 Avg MPG

• Bessy: 03 Yukon XL 1500. Got 08/31, 2018 from Ryan next-door neighbor. Odometer 228083

  2003 GMC Yukon XL 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Aug 2018 • 77 Fuel-ups

  Property of Haxena

• 11.6 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

• GMC Yukon XL

  2003 GMC Yukon XL 1500 SLT Automatic 4 Speed Sport Utility
  Added Oct 2017 • 49 Fuel-ups

  Property of Pangilinan

• 13.3 Avg MPG

• Yukon Xl

  2003 GMC Yukon XL 1500 SLT 5.3L V8 GAS
  Added Aug 2019 • 17 Fuel-ups

  Property of Jmsun

• 15.7 Avg MPG

• GMC

  2003 GMC Yukon XL 1500 Denali 6,0L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2020 • 13 Fuel-ups

  Property of street85

• 12.6 Avg MPG

• Yukon XL

  2003 GMC Yukon XL 1500 SLE 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Apr 2014 • 46 Fuel-ups

  Property of BW442

• 16.4 Avg MPG

• Yukon

  2003 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Nov 2017 • 62 Fuel-ups

  Property of superslappy

• 11.3 Avg MPG

• Big Blue

  2003 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Aug 2015 • 91 Fuel-ups

  Property of Kootenayguy

• 14.6 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2019 • 7 Fuel-ups

  Property of Jamnbread

• 16.4 Avg MPG

• Yukon

  2003 GMC Yukon XL 1500 SLE 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Apr 2021 • 8 Fuel-ups

  Property of mars76

• 8.6 Avg MPG

• Yukon

  2003 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Jul 2016 • 14 Fuel-ups

  Property of JaredI

• 15.0 Avg MPG

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