Based on data from 266 vehicles, 20,778 fuel-ups and 6,906,189 miles of driving, the 2018 Jeep Grand Cherokee gets a combined Avg MPG of 18.69 with a 0.06 MPG margin of error.

Any Engine Type 3.0L V6 DIESEL (44) 3.6L V6 FLEX (153) 5.7L V8 GAS (35) 6.2L V8 GAS (11) 6.4L V8 GAS (7) V6 GAS (2) Any Body Style Sport Utility (97) Any Submodel Limited Lujo (1) SRT (7) Altitude (8) Trackhawk (13) Summit (18) High Altitude (23) Laredo (31) Overland (42) Trailhawk (58) Limited (65)

Below you can see a distribution of the fuel-ups with 1017 outliers (4.67%) removed.

Following shows the average MPG of each of the 266 vehicles in the system.

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• Grand Cherokee Trailhawk

  2018 Jeep Grand Cherokee Trailhawk 3.0L V6 DIESEL Automatic 8 Speed Sport Utility
  Added Jan 2022 • 89 Fuel-ups

  Property of nzoliver

• 21.5 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Laredo 3.6L V6 FLEX Automatic 8 Speed
  Added Oct 2021 • 359 Fuel-ups

  Property of 1siena

• 20.2 Avg MPG

• Grey Flake

  2018 Jeep Grand Cherokee Summit 3.0L V6 DIESEL Automatic 8 Speed
  Added Jun 2023 • 7 Fuel-ups

  Property of WaFp

• 24.9 Avg MPG

• Jeep Grand Cherokee

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed
  Added Feb 2018 • 179 Fuel-ups

  Property of jjputz13

• 19.6 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Summit 5.7L V8 GAS Automatic 8 Speed Sport Utility
  Added Sep 2022 • 103 Fuel-ups

  Property of danpicha1989

• 16.6 Avg MPG

• Trailhawk

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Nov 2017 • 277 Fuel-ups

  Property of zoramac

• 17.1 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added May 2018 • 216 Fuel-ups

  Property of pepestru

• 19.6 Avg MPG

• Jeep

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Feb 2020 • 253 Fuel-ups

  Property of penny610

• 19.7 Avg MPG

• 2018 jeep

  2018 Jeep Grand Cherokee Laredo 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Oct 2018 • 197 Fuel-ups

  Property of JudgeDreddNaut

• 20.2 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Summit 3.0L V6 DIESEL Automatic 8 Speed
  Added Aug 2020 • 26 Fuel-ups

  Property of micgreg

• 23.4 Avg MPG

• Althea

  2018 Jeep Grand Cherokee High Altitude 5.7L V8 GAS Automatic 8 Speed
  Added May 2021 • 81 Fuel-ups

  Property of monumentclub

• 15.3 Avg MPG

• Trackhawk

  2018 Jeep Grand Cherokee Trackhawk 6.2L V8 GAS Automatic 8 Speed Sport Utility
  Added Aug 2019 • 113 Fuel-ups

  Property of Edtest-0723

• 12.7 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Nov 2018 • 204 Fuel-ups

  Property of mntnbkr

• 20.8 Avg MPG

• Trail Hawk

  2018 Jeep Grand Cherokee Trailhawk 5.7L V8 GAS Automatic 8 Speed Sport Utility
  Added Dec 2019 • 77 Fuel-ups

  Property of Parkinson

• 20.0 Avg MPG

• 2018 New Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.0L V6 DIESEL Automatic 8 Speed
  Added Feb 2018 • 94 Fuel-ups

  Property of jgrantz

• 19.7 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Trailhawk
  Added May 2021 • 39 Fuel-ups

  Property of IvanTheLegend

• 18.8 Avg MPG

• GraniteHawk

  2018 Jeep Grand Cherokee Trailhawk 3.0L V6 DIESEL Automatic 8 Speed
  Added Oct 2018 • 227 Fuel-ups

  Property of branight

• 25.2 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee High Altitude 3.6L V6 FLEX Automatic 8 Speed
  Added Sep 2022 • 20 Fuel-ups

  Property of GreyNation

• 20.8 Avg MPG

• HellHawk

  2018 Jeep Grand Cherokee Trackhawk 6.2L V8 GAS Automatic 8 Speed
  Added May 2020 • 101 Fuel-ups

  Property of Verdog

• 15.2 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed
  Added Jun 2022 • 11 Fuel-ups

  Property of chazyd

• 23.9 Avg MPG

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