Based on data from 266 vehicles, 20,933 fuel-ups and 6,956,200 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 1022 outliers (4.65%) 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 Laredo 3.6L V6 FLEX Automatic 8 Speed
  Added Mar 2022 • 159 Fuel-ups

  Property of SHendrick111

• 22.0 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed
  Added Aug 2018 • 346 Fuel-ups

  Property of lonecrab

• 18.6 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed
  Added Aug 2024 • 34 Fuel-ups

  Property of armsteads

• 21.2 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added Dec 2017 • 173 Fuel-ups

  Property of 09ChargerRT

• 17.7 Avg MPG

• Oliviah

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added Jun 2019 • 162 Fuel-ups

  Property of peanut1120

• 18.5 Avg MPG

• Grand Cherokee Overland

  2018 Jeep Grand Cherokee Overland 3,0L V6 DIESEL Automatic 8 Speed Sport Utility
  Added Jan 2018 • 190 Fuel-ups

  Property of Marsupilami

• 25.0 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Laredo 3.6L V6 FLEX Automatic 8 Speed
  Added Nov 2017 • 552 Fuel-ups

  Property of wookiefur

• 19.5 Avg MPG

• George

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Jul 2024 • 77 Fuel-ups

  Property of chousner

• 20.4 Avg MPG

• Trackhawk

  2018 Jeep Grand Cherokee Trackhawk 6.2L V8 GAS Automatic 8 Speed Sport Utility
  Added Apr 2023 • 32 Fuel-ups

  Property of CAHayes1109

• 12.4 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added May 2021 • 91 Fuel-ups

  Property of pill

• 18.9 Avg MPG

• Grand Cherokee Overland

  2018 Jeep Grand Cherokee Overland 3.0L V6 DIESEL Automatic 8 Speed
  Added Jan 2018 • 311 Fuel-ups

  Property of mf0rd

• 23.2 Avg MPG

• Trailhawk

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Mar 2024 • 73 Fuel-ups

  Property of Mtbikemarc

• 16.3 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee High Altitude 3.6L V6 FLEX Automatic 8 Speed
  Added Jun 2023 • 72 Fuel-ups

  Property of MReinke13

• 22.9 Avg MPG

• Jeep Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Jul 2024 • 51 Fuel-ups

  Property of pod184

• 16.2 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Summit 3.6L V6 FLEX Automatic 8 Speed
  Added Jan 2018 • 241 Fuel-ups

  Property of horrorwon

• 21.0 Avg MPG

• Adam’s Grand Cherokee

  2018 Jeep Grand Cherokee Limited 5.7L V8 GAS Automatic 8 Speed
  Added Nov 2017 • 233 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 Feb 2025 • 7 Fuel-ups

  Property of gtier2304

• 18.4 Avg MPG

• Grand Cherokee Trailhawk - 4X4

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed
  Added Dec 2017 • 333 Fuel-ups

  Property of QaiVMb9w3cuiEYpK4rUb

• 18.8 Avg MPG

• Jeep Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.0L V6 DIESEL Automatic 8 Speed
  Added May 2019 • 130 Fuel-ups

  Property of daveazevedo

• 21.0 Avg MPG

• 2018 Limited

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Mar 2019 • 221 Fuel-ups

  Property of ssydnes

• 21.1 Avg MPG

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