Based on data from 26 vehicles, 2,335 fuel-ups and 694,392 miles of driving, the 2018 GMC Yukon gets a combined Avg MPG of 16.01 with a 0.13 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (5) 5.3L V8 GAS (2) 6.2L V8 FLEX (19) Any Body Style Sport Utility (6) Any Submodel SLE (2) SLT (5) Denali (19)

Below you can see a distribution of the fuel-ups with 25 outliers (1.06%) removed.

Following shows the average MPG of each of the 26 vehicles in the system.

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• My Yukon

  2018 GMC Yukon SLT 5.3L V8 GAS Automatic 6 Speed
  Added Aug 2020 • 208 Fuel-ups

  Property of zmcgovern45

• 16.9 Avg MPG

• Yukon Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Nov 2018 • 222 Fuel-ups

  Property of Grammargyrl26

• 14.4 Avg MPG

• Yukon

  2018 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Dec 2017 • 227 Fuel-ups

  Property of 2thesea

• 17.5 Avg MPG

• My Yukon

  2018 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2018 • 194 Fuel-ups

  Property of ericpuccio

• 15.9 Avg MPG

• 2018 Yukon

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed Sport Utility
  Added May 2018 • 221 Fuel-ups

  Property of jaewoldt

• 17.9 Avg MPG

• 2018 Yukon Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Feb 2022 • 16 Fuel-ups

  Property of Philip_Ippolito

• 12.2 Avg MPG

• Jana's Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed Sport Utility
  Added Dec 2017 • 332 Fuel-ups

  Property of TDI-TXAggie

• 17.2 Avg MPG

• Ukee

  2018 GMC Yukon SLE 5.3L V8 GAS Automatic 6 Speed Sport Utility
  Added May 2021 • 23 Fuel-ups

  Property of bkhcosworth

• 13.1 Avg MPG

• GMC Yukon

  2018 GMC Yukon SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Dec 2018 • 100 Fuel-ups

  Property of caseyp

• 16.6 Avg MPG

• 2018 GMC Yukon Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Jul 2018 • 63 Fuel-ups

  Property of RCH1

• 16.3 Avg MPG

• My Denali

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Dec 2018 • 59 Fuel-ups

  Property of WyoCowboys

• 15.7 Avg MPG

• My Yukon

  2018 GMC Yukon Denali 6.2L V8 FLEX Automatic 10 Speed
  Added Oct 2019 • 31 Fuel-ups

  Property of brickaerospace

• 19.0 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

• 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

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