Based on data from 263 vehicles, 20,071 fuel-ups and 6,684,599 miles of driving, the 2018 Jeep Grand Cherokee gets a combined Avg MPG of 18.70 with a 0.06 MPG margin of error.

Any Engine Type 3.0L V6 DIESEL (44) 3.6L V6 FLEX (150) 5.7L V8 GAS (35) 6.2L V8 GAS (11) 6.4L V8 GAS (7) V6 GAS (2) Any Body Style Sport Utility (96) Any Submodel Limited Lujo (1) SRT (7) Altitude (8) Trackhawk (13) Summit (18) High Altitude (23) Laredo (31) Overland (39) Trailhawk (58) Limited (65)

Below you can see a distribution of the fuel-ups with 992 outliers (4.71%) removed.

Following shows the average MPG of each of the 263 vehicles in the system.

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• My Grand Cherokee

  2018 Jeep Grand Cherokee High Altitude 3.6L V6 FLEX Automatic 8 Speed
  Added Jun 2023 • 62 Fuel-ups

  Property of MReinke13

• 23.3 Avg MPG

• Adam’s Grand Cherokee

  2018 Jeep Grand Cherokee Limited 5.7L V8 GAS Automatic 8 Speed
  Added Nov 2017 • 226 Fuel-ups

  Property of atarwacki

• 16.6 Avg MPG

• Jeep Grand Cherokee Trailhawk

  2018 Jeep Grand Cherokee Trailhawk 5.7L V8 GAS Automatic 8 Speed
  Added Aug 2018 • 246 Fuel-ups

  Property of music4film

• 14.0 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Laredo 3.6L V6 FLEX Automatic 8 Speed
  Added Feb 2024 • 12 Fuel-ups

  Property of laneattaway9

• 34.6 Avg MPG

• Grand Cherokee

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

  Property of elbarton2996

• 22.4 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Overland 5.7L V8 GAS Automatic 8 Speed
  Added Feb 2018 • 145 Fuel-ups

  Property of wmpbauer

• 16.8 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.0L V6 DIESEL Automatic 8 Speed
  Added Jan 2023 • 44 Fuel-ups

  Property of JSteph

• 26.8 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Trailhawk 5.7L V8 GAS Automatic 8 Speed Sport Utility
  Added Jul 2018 • 137 Fuel-ups

  Property of Jdemeurers

• 16.0 Avg MPG

• Jeep

  2018 Jeep Grand Cherokee Laredo 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added May 2022 • 5 Fuel-ups

  Property of jnadler66

• 32.6 Avg MPG

• Jeep Grand Cherokee

  2018 Jeep Grand Cherokee Overland 5.7L V8 GAS Automatic 8 Speed Sport Utility
  Added Feb 2018 • 266 Fuel-ups

  Property of pilotender

• 17.4 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Altitude 3.6L V6 FLEX Automatic 8 Speed
  Added Sep 2023 • 32 Fuel-ups

  Property of JonGraif

• 22.4 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee High Altitude 5.7L V8 GAS Automatic 8 Speed
  Added Mar 2023 • 48 Fuel-ups

  Property of Leanne903

• 18.4 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee High Altitude 5.7L V8 GAS Automatic 8 Speed
  Added Nov 2024 • 6 Fuel-ups

  Property of sskamen

• 13.8 Avg MPG

• 2018 Jeep Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.0L V6 DIESEL Automatic 8 Speed Sport Utility
  Added Dec 2018 • 79 Fuel-ups

  Property of mtbarr64

• 24.2 Avg MPG

• Trailhawk

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Sep 2020 • 214 Fuel-ups

  Property of seely33

• 18.1 Avg MPG

• Matt’s Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed
  Added Jul 2021 • 71 Fuel-ups

  Property of grafxboymac

• 16.1 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added Jun 2021 • 115 Fuel-ups

  Property of jeremykalina

• 17.2 Avg MPG

• John’s Jeep Grand Cherokee High Altitude

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added Jan 2018 • 138 Fuel-ups

  Property of jrcade

• 17.7 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Summit 3.6L V6 FLEX Automatic 8 Speed
  Added Nov 2021 • 143 Fuel-ups

  Property of cmacvp16

• 20.4 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added Dec 2017 • 163 Fuel-ups

  Property of 09ChargerRT

• 17.7 Avg MPG

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