Based on data from 25 vehicles, 1,722 fuel-ups and 508,480 miles of driving, the 2018 GMC Yukon gets a combined Avg MPG of 15.88 with a 0.15 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (5) 5.3L V8 GAS (2) 6.2L V8 FLEX (18) Any Body Style Sport Utility (6) Any Submodel SLE (2) SLT (5) Denali (18)

Below you can see a distribution of the fuel-ups with 20 outliers (1.15%) removed.

Following shows the average MPG of each of the 25 vehicles in the system.

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• GMC Yukon

  2018 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Dec 2018 • 63 Fuel-ups

  Property of caseyp

• 16.7 Avg MPG

• Jana's Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed Sport Utility
  Added Dec 2017 • 242 Fuel-ups

  Property of TDI-TXAggie

• 17.4 Avg MPG

• Ukee

  2018 GMC Yukon SLE 5.3L V8 GAS Automatic 6 Speed Sport Utility
  Added May 2021 • 4 Fuel-ups

  Property of bkhcosworth

• 15.0 Avg MPG

• 2018 Yukon

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed Sport Utility
  Added May 2018 • 126 Fuel-ups

  Property of jaewoldt

• 17.2 Avg MPG

• My Yukon

  2018 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2018 • 144 Fuel-ups

  Property of ericpuccio

• 15.9 Avg MPG

• My Yukon

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Jan 2018 • 116 Fuel-ups

  Property of romotorin

• 15.2 Avg MPG

• Yukon Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Nov 2018 • 150 Fuel-ups

  Property of Grammargyrl26

• 14.3 Avg MPG

• My Yukon

  2018 GMC Yukon SLT 5.3L V8 GAS Automatic 6 Speed
  Added Aug 2020 • 90 Fuel-ups

  Property of zmcgovern45

• 17.9 Avg MPG

• Yukon

  2018 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Dec 2017 • 160 Fuel-ups

  Property of 2thesea

• 17.4 Avg MPG

• 2018 GMC Yukon Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed Sport Utility
  Added Jul 2020 • 18 Fuel-ups

  Property of michael11209

• 13.1 Avg MPG

• Courtney’s Yukon

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Sep 2018 • 146 Fuel-ups

  Property of Motorist

• 14.0 Avg MPG

• My Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Dec 2018 • 35 Fuel-ups

  Property of WyoCowboys

• 16.4 Avg MPG

• 2018 GMC Yukon Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Jul 2018 • 52 Fuel-ups

  Property of RCH1

• 16.1 Avg MPG

• My Yukon

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Oct 2019 • 18 Fuel-ups

  Property of brickaerospace

• 21.1 Avg MPG

• 2018 Yukon Big Red

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Dec 2018 • 101 Fuel-ups

  Property of KLWilkerson

• 16.9 Avg MPG

• My Yukon

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Feb 2019 • 25 Fuel-ups

  Property of mjhall159

• 15.2 Avg MPG

• Yukon

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed Sport Utility
  Added Sep 2018 • 82 Fuel-ups

  Property of wildman22john

• 14.7 Avg MPG

• Yukon

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Feb 2018 • 120 Fuel-ups

  Property of bnoot

• 16.7 Avg MPG

• My Yukon

  2018 GMC Yukon SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2019 • 22 Fuel-ups

  Property of vitram79

• 14.0 Avg MPG

• My Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Jan 2018 • 71 Fuel-ups

  Property of llauck

• 14.5 Avg MPG

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