Based on data from 30 vehicles, 3,007 fuel-ups and 894,622 miles of driving, the 2018 GMC Yukon gets a combined Avg MPG of 16.01 with a 0.11 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (7) 5.3L V8 GAS (3) 6.2L V8 FLEX (19) 6.2L V8 GAS (1) Any Body Style Sport Utility (7) Any Submodel SLE (2) SLT (8) Denali (20)

Below you can see a distribution of the fuel-ups with 30 outliers (0.99%) removed.

Following shows the average MPG of each of the 30 vehicles in the system.

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• My Yukon

  2018 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Feb 2024 • 13 Fuel-ups

  Property of mm247

• 12.3 Avg MPG

• My Yukon

  2018 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2018 • 276 Fuel-ups

  Property of ericpuccio

• 15.9 Avg MPG

• Yukon Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Nov 2018 • 363 Fuel-ups

  Property of Grammargyrl26

• 14.6 Avg MPG

• 2018 Yukon

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed Sport Utility
  Added May 2018 • 350 Fuel-ups

  Property of jaewoldt

• 17.9 Avg MPG

• The White Knight

  2018 GMC Yukon Denali 6.2L V8 GAS Automatic 10 Speed Sport Utility
  Added Dec 2022 • 42 Fuel-ups

  Property of Ecodiesel2014

• 15.6 Avg MPG

• Jana's Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed Sport Utility
  Added Dec 2017 • 412 Fuel-ups

  Property of TDI-TXAggie

• 17.1 Avg MPG

• 2018 Yukon Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Feb 2022 • 93 Fuel-ups

  Property of Philip_Ippolito

• 14.2 Avg MPG

• My Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Dec 2018 • 98 Fuel-ups

  Property of WyoCowboys

• 15.9 Avg MPG

• My Yukon

  2018 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Jun 2023 • 3 Fuel-ups

  Property of yournamehereplz

• 17.7 Avg MPG

• My Yukon

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Oct 2019 • 35 Fuel-ups

  Property of brickaerospace

• 19.0 Avg MPG

• Ukee

  2018 GMC Yukon SLE 5.3L V8 GAS Automatic 6 Speed Sport Utility
  Added May 2021 • 32 Fuel-ups

  Property of bkhcosworth

• 13.6 Avg MPG

• Yukon

  2018 GMC Yukon SLT 5.3L V8 GAS Automatic 6 Speed
  Added Mar 2017 • 8 Fuel-ups

  Property of Steven13

• 18.2 Avg MPG

• GMC Yukon

  2018 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Dec 2018 • 113 Fuel-ups

  Property of caseyp

• 16.5 Avg MPG

• 2018 GMC Yukon Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Jul 2018 • 66 Fuel-ups

  Property of RCH1

• 16.3 Avg MPG

• Yukon

  2018 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Dec 2017 • 263 Fuel-ups

  Property of 2thesea

• 17.5 Avg MPG

• My Yukon

  2018 GMC Yukon SLT 5.3L V8 GAS Automatic 6 Speed
  Added Aug 2020 • 250 Fuel-ups

  Property of zmcgovern45

• 16.9 Avg MPG

• My Yukon

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Jan 2018 • 159 Fuel-ups

  Property of romotorin

• 15.7 Avg MPG

• 2018 GMC Yukon Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed Sport Utility
  Added Jul 2020 • 22 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 • 148 Fuel-ups

  Property of Motorist

• 14.0 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

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