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 Laredo 3.6L V6 FLEX Automatic 8 Speed
  Added Mar 2022 • 156 Fuel-ups

  Property of SHendrick111

• 21.9 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Trailhawk 5.7L V8 GAS Automatic 8 Speed Sport Utility
  Added Jul 2018 • 141 Fuel-ups

  Property of Jdemeurers

• 16.0 Avg MPG

• Summit

  2018 Jeep Grand Cherokee Summit 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Jan 2020 • 115 Fuel-ups

  Property of Rsmfire

• 22.6 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed
  Added Aug 2024 • 31 Fuel-ups

  Property of armsteads

• 21.1 Avg MPG

• Jeep Grand Cherokee

  2018 Jeep Grand Cherokee Summit 3.0L V6 DIESEL Automatic 8 Speed
  Added May 2020 • 52 Fuel-ups

  Property of ScrmnEagle

• 18.6 Avg MPG

• Brandy’s Grand Cherokee

  2018 Jeep Grand Cherokee Summit 3.0L V6 DIESEL Automatic 8 Speed
  Added Jun 2018 • 255 Fuel-ups

  Property of banditladybug

• 26.6 Avg MPG

• Trailhawk

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Jan 2024 • 314 Fuel-ups

  Property of zoramac

• 17.0 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Altitude 3.6L V6 FLEX Automatic 8 Speed
  Added Sep 2023 • 36 Fuel-ups

  Property of JonGraif

• 22.3 Avg MPG

• My Grand Cherokee

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

  Property of greg8407

• 22.4 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed
  Added Jul 2021 • 64 Fuel-ups

  Property of RSPorter1952

• 21.2 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Laredo 3.6L V6 FLEX Automatic 8 Speed
  Added Feb 2024 • 14 Fuel-ups

  Property of laneattaway9

• 34.6 Avg MPG

• Jeep Grand Cherokee

  2018 Jeep Grand Cherokee Limited Automatic 8 Speed
  Added Mar 2018 • 97 Fuel-ups

  Property of Okiered

• 20.6 Avg MPG

• Grand Cherokee overland

  2018 Jeep Grand Cherokee Overland 5.7L V8 GAS Automatic 8 Speed
  Added Jun 2022 • 144 Fuel-ups

  Property of Cend

• 16.9 Avg MPG

• Matt’s Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed
  Added Jul 2021 • 74 Fuel-ups

  Property of grafxboymac

• 16.0 Avg MPG

• MTN GOAT

  2018 Jeep Grand Cherokee Overland 5.7L V8 GAS Automatic 8 Speed Sport Utility
  Added Jan 2018 • 31 Fuel-ups

  Property of Freeweeling

• 19.7 Avg MPG

• Fezzik (JGC)

  2018 Jeep Grand Cherokee High Altitude 3.6L V6 FLEX Automatic 8 Speed
  Added Apr 2021 • 97 Fuel-ups

  Property of 4theWinn12

• 19.6 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Laredo 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added May 2024 • 16 Fuel-ups

  Property of elbarton2996

• 22.0 Avg MPG

• Grand Cherokee Attitude

  2018 Jeep Grand Cherokee Overland 3.0L V6 DIESEL Automatic 8 Speed
  Added Feb 2025 • 8 Fuel-ups

  Property of clyde60

• 24.4 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.0L V6 DIESEL Automatic 8 Speed
  Added Jan 2023 • 46 Fuel-ups

  Property of JSteph

• 26.8 Avg MPG

• Trackhawk

  2018 Jeep Grand Cherokee Trackhawk 6.2L V8 GAS Automatic 8 Speed Sport Utility
  Added Aug 2019 • 160 Fuel-ups

  Property of lstman855

• 12.7 Avg MPG

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