Based on data from 38 vehicles, 2,470 fuel-ups and 624,992 miles of driving, the 1999 GMC Yukon gets a combined Avg MPG of 12.87 with a 0.08 MPG margin of error.

Any Engine Type 5.7L V8 GAS (31) V8 GAS (7) Any Body Style Sport Utility (11) Any Submodel SLE (6) Denali (7) SLT (18) Other (7)

Below you can see a distribution of the fuel-ups with 217 outliers (8.08%) removed.

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

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• Yukon

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed
  Added Nov 2018 • 196 Fuel-ups

  Property of Full-Throttle

• 12.5 Avg MPG

• Danny

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed Sport Utility
  Added Dec 2019 • 113 Fuel-ups

  Property of youngda1946

• 12.2 Avg MPG

• GMC Yukon (1999)

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed
  Added Sep 2017 • 58 Fuel-ups

  Property of dlr007

• 16.4 Avg MPG

• Yukon

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 315 Fuel-ups

  Property of copshopaz

• 14.4 Avg MPG

• GMC - 1999 Yukon

  1999 GMC Yukon SLE 5.7L V8 GAS Automatic 4 Speed
  Added Aug 2018 • 7 Fuel-ups

  Property of teiko

• 14.0 Avg MPG

• My Yukon

  1999 GMC Yukon Denali 5.7L V8 GAS Automatic 4 Speed Sport Utility
  Added Feb 2023 • 9 Fuel-ups

  Property of SauseBoss

• 26.4 Avg MPG

• Wife's

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2017 • 425 Fuel-ups

  Property of crazzycow

• 13.5 Avg MPG

• My Yukon

  1999 GMC Yukon SLE 5.7L V8 GAS Automatic 4 Speed
  Added Nov 2017 • 75 Fuel-ups

  Property of jurban7243

• 11.3 Avg MPG

• Y1999

  1999 GMC Yukon SLE 5.7L V8 GAS Automatic 4 Speed Sport Utility
  Added Apr 2018 • 48 Fuel-ups

  Property of marsm

• 12.2 Avg MPG

• Blacky

  1999 GMC Yukon Denali 5.7L V8 GAS Automatic 4 Speed Sport Utility
  Added Apr 2020 • 8 Fuel-ups

  Property of Wicho5

• 11.4 Avg MPG

• ZZZ Danny

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed Sport Utility
  Added Mar 2019 • 59 Fuel-ups

  Property of youngda1946

• 12.4 Avg MPG

• Love Machine

  1999 GMC Yukon SLE 5.7L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 79 Fuel-ups

  Property of lilpansy

• 13.6 Avg MPG

• The Beast

  1999 GMC Yukon Denali 5.7L V8 GAS Automatic 4 Speed Sport Utility
  Added May 2018 • 17 Fuel-ups

  Property of patsygb

• 10.7 Avg MPG

• My Yukon

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed
  Added Sep 2017 • 77 Fuel-ups

  Property of DWalls

• 13.6 Avg MPG

• My Yukon

  1999 GMC Yukon SLE 5.7L V8 GAS Automatic 4 Speed
  Added Dec 2017 • 9 Fuel-ups

  Property of crystalp

• 10.6 Avg MPG

• Gmc yukon

  1999 GMC Yukon SLE 5.7L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 72 Fuel-ups

  Property of rwroserjr

• 17.7 Avg MPG

• XYukon

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed Sport Utility
  Added Dec 2017 • 72 Fuel-ups

  Property of kepatter

• 19.5 Avg MPG

• "The Beast" - Yukon

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed
  Added Mar 2018 • 9 Fuel-ups

  Property of westcliff

• 13.5 Avg MPG

• My Yukon

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed
  Added Jun 2017 • 44 Fuel-ups

  Property of zippycorners

• 17.5 Avg MPG

• Denali

  1999 GMC Yukon Denali 5.7L V8 GAS Automatic 4 Speed Sport Utility
  Added Jan 2012 • 311 Fuel-ups

  Property of bacon612

• 12.6 Avg MPG

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