Based on data from 47 vehicles, 1,778 fuel-ups and 490,690 miles of driving, the 2003 GMC Yukon XL 1500 gets a combined Avg MPG of 13.63 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 (2.89%) removed.

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

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• 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

• Denali XL

  2003 GMC Yukon XL 1500 Denali 6.0L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2017 • 10 Fuel-ups

  Property of Wagnasty

• 11.1 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 Denali 6.0L V8 GAS Automatic 4 Speed
  Added Jul 2017 • 14 Fuel-ups

  Property of eninine

• 13.6 Avg MPG

• 03 Yukon XL

  2003 GMC Yukon XL 1500 SLE 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Oct 2017 • 74 Fuel-ups

  Property of kellswo

• 13.8 Avg MPG

• Denali

  2003 GMC Yukon XL 1500 Denali 6.0L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 21 Fuel-ups

  Property of cmoyerjr

• 27.0 Avg MPG

• Denali

  2003 GMC Yukon XL 1500 Denali 6.0L V8 GAS Automatic 4 Speed
  Added Jun 2016 • 21 Fuel-ups

  Property of clrd4to

• 13.4 Avg MPG

• Goldilocks

  2003 GMC Yukon XL 1500 Denali 6.0L V8 GAS Automatic 4 Speed
  Added Apr 2016 • 52 Fuel-ups

  Property of bigdaddygoogoo

• 15.7 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 Denali 6.0L V8 GAS Automatic 4 Speed
  Added Jun 2016 • 4 Fuel-ups

  Property of laurapalacios05

• 17.0 Avg MPG

• Black

  2003 GMC Yukon XL 1500 SLE 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Sep 2016 • 5 Fuel-ups

  Property of msr942

• 11.8 Avg MPG

• Yukon XL

  2003 GMC Yukon XL 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Aug 2016 • 77 Fuel-ups

  Property of pinetar26

• 12.6 Avg MPG

• My Yukon XL 1500

  2003 GMC Yukon XL 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2016 • 10 Fuel-ups

  Property of DDimond

• 15.4 Avg MPG

• GMC Yukon XL

  2003 GMC Yukon XL 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 66 Fuel-ups

  Property of imscotte

• 13.2 Avg MPG

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