Based on data from 38 vehicles, 2,492 fuel-ups and 630,553 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 (8.01%) removed.

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

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• My Yukon

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed
  Added Oct 2016 • 76 Fuel-ups

  Property of emtp563

• 11.7 Avg MPG

• 1999 Yukon

  1999 GMC Yukon Denali 5.7L V8 GAS Automatic 4 Speed
  Added Jun 2021 • 120 Fuel-ups

  Property of rkoenig71

• 13.8 Avg MPG

• 99 Yukon

  1999 GMC Yukon Denali 5.7L V8 GAS Automatic 4 Speed Sport Utility
  Added Sep 2017 • 182 Fuel-ups

  Property of slauzman

• 13.9 Avg MPG

• 99Yukon

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2017 • 34 Fuel-ups

  Property of freeland1003

• 15.7 Avg MPG

• Yukon

  1999 GMC Yukon SLT 5.7L GAS V8 Automatic 4 Sport Utility (4 Door)
  Added Dec 2014 • 34 Fuel-ups

  Property of barryac

• 12.5 Avg MPG

• Denali

  1999 GMC Yukon GAS V8
  Added Aug 2013 • 27 Fuel-ups

  Property of bernermobile

• 15.1 Avg MPG

• . . . Hank . . .

  1999 GMC Yukon Denali 5.7L GAS V8 Automatic 4 Sport Utility (4 Door)
  Added Aug 2014 • 18 Fuel-ups

  Property of M50E36

• 13.7 Avg MPG

• 1999 GMC Yukon

  1999 GMC Yukon SLT 5.7L GAS V8 Automatic 4 Sport Utility (4 Door)
  Added Apr 2015 • 4 Fuel-ups

  Property of heartlakeroad

• 14.1 Avg MPG

• 99 Yukon Denali

  1999 GMC Yukon GAS V8
  Added Oct 2012 • 14 Fuel-ups

  Property of bearbuck

• 12.0 Avg MPG

• Yukon

  1999 GMC Yukon SLT 5.7L GAS V8 Automatic 4 Sport Utility (4 Door)
  Added Sep 2014 • 3 Fuel-ups

  Property of cheyenne52883

• 19.4 Avg MPG

• YUKON

  1999 GMC Yukon GAS V8
  Added Jun 2014 • 19 Fuel-ups

  Property of blewis1766

• 13.2 Avg MPG

• 99 GMC Yukon 4D 4x4

  1999 GMC Yukon GAS V8
  Added Jan 2012 • 29 Fuel-ups

  Property of bMileage

• 14.5 Avg MPG

• Yukon

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 8 Fuel-ups

  Property of jedrennen

• 60.3 Avg MPG

• Yukon

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 338 Fuel-ups

  Property of hookooehoo

• 12.8 Avg MPG

• Road Trip Vehicle

  1999 GMC Yukon GAS V8
  Added Apr 2012 • 12 Fuel-ups

  Property of lemcke

• 16.3 Avg MPG

• Yukon

  1999 GMC Yukon SLT 5.7L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 61 Fuel-ups

  Property of jwrogers3rd

• 16.4 Avg MPG

• The Quean

  1999 GMC Yukon GAS V8
  Added Aug 2008 • 6 Fuel-ups

  Property of HydroRamPac

• 18.4 Avg MPG

• Big Green

  1999 GMC Yukon GAS V8
  Added Aug 2008 • 6 Fuel-ups

  Property of sml978

• 12.5 Avg MPG

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