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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• My Grand Cherokee

  2018 Jeep Grand Cherokee High Altitude 5.7L V8 GAS Automatic 8 Speed
  Added Mar 2023 • 53 Fuel-ups

  Property of Leanne903

• 18.5 Avg MPG

• Grand Cherokee Overland

  2018 Jeep Grand Cherokee Overland 3.0L V6 DIESEL Automatic 8 Speed
  Added Jan 2018 • 308 Fuel-ups

  Property of mf0rd

• 23.2 Avg MPG

• Adam’s Grand Cherokee

  2018 Jeep Grand Cherokee Limited 5.7L V8 GAS Automatic 8 Speed
  Added Nov 2017 • 232 Fuel-ups

  Property of atarwacki

• 16.6 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added May 2018 • 197 Fuel-ups

  Property of Bpd277

• 13.1 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Overland 5.7L V8 GAS Automatic 8 Speed
  Added Feb 2018 • 151 Fuel-ups

  Property of wmpbauer

• 16.8 Avg MPG

• Trackhawk

  2018 Jeep Grand Cherokee Trackhawk 6.2L V8 GAS Automatic 8 Speed
  Added Jun 2021 • 153 Fuel-ups

  Property of tdeccio

• 13.1 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.0L V6 DIESEL Automatic 8 Speed
  Added Oct 2019 • 97 Fuel-ups

  Property of xsp2467

• 24.6 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added May 2018 • 209 Fuel-ups

  Property of Bill8392

• 20.0 Avg MPG

• 2018 Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Feb 2025 • 132 Fuel-ups

  Property of Llyolan

• 17.8 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added Jan 2024 • 22 Fuel-ups

  Property of CountryW

• 19.3 Avg MPG

• 2018 Red Jeep GC

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Jan 2022 • 131 Fuel-ups

  Property of forcedfedbug

• 24.6 Avg MPG

• Trailhawk

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Sep 2020 • 220 Fuel-ups

  Property of seely33

• 18.0 Avg MPG

• Jeep

  2018 Jeep Grand Cherokee Trailhawk 3.0L V6 DIESEL Automatic 8 Speed
  Added Aug 2018 • 187 Fuel-ups

  Property of spaver

• 21.1 Avg MPG

• My Grand Cherokee 2018

  2018 Jeep Grand Cherokee High Altitude 3.6L V6 FLEX Automatic 8 Speed
  Added Sep 2019 • 255 Fuel-ups

  Property of IsraelHands

• 18.1 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added Dec 2017 • 170 Fuel-ups

  Property of 09ChargerRT

• 17.7 Avg MPG

• George

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Jul 2024 • 67 Fuel-ups

  Property of chousner

• 19.9 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.0L V6 DIESEL Automatic 8 Speed
  Added Dec 2020 • 177 Fuel-ups

  Property of mbarney5

• 21.1 Avg MPG

• 2018 Jeep Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.0L V6 DIESEL Automatic 8 Speed Sport Utility
  Added Dec 2018 • 81 Fuel-ups

  Property of TomB19643835

• 24.2 Avg MPG

• John’s Jeep Grand Cherokee High Altitude

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added Jan 2018 • 142 Fuel-ups

  Property of jrcade

• 17.8 Avg MPG

• Jeep Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.0L V6 DIESEL Automatic 8 Speed
  Added May 2019 • 128 Fuel-ups

  Property of daveazevedo

• 21.0 Avg MPG

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