Based on data from 264 vehicles, 20,594 fuel-ups and 6,847,881 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 (151) 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 (41) Trailhawk (58) Limited (64)

Below you can see a distribution of the fuel-ups with 1007 outliers (4.66%) removed.

Following shows the average MPG of each of the 264 vehicles in the system.

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• George

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Jul 2024 • 61 Fuel-ups

  Property of chousner

• 20.0 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

• Trailhawk

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Sep 2020 • 219 Fuel-ups

  Property of seely33

• 18.0 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

• Jeep Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Jul 2024 • 40 Fuel-ups

  Property of pod184

• 16.1 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed
  Added Mar 2022 • 134 Fuel-ups

  Property of markmerritt

• 21.5 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added May 2021 • 86 Fuel-ups

  Property of pill

• 18.9 Avg MPG

• Grand Cherokee Overland

  2018 Jeep Grand Cherokee Overland 3,0L V6 DIESEL Automatic 8 Speed Sport Utility
  Added Jan 2018 • 187 Fuel-ups

  Property of Marsupilami

• 25.0 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Altitude
  Added Apr 2020 • 268 Fuel-ups

  Property of amandy93

• 19.5 Avg MPG

• 2018 Red Jeep GC

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Jan 2022 • 124 Fuel-ups

  Property of forcedfedbug

• 24.9 Avg MPG

• 2018 Limited

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Mar 2019 • 215 Fuel-ups

  Property of ssydnes

• 21.1 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added Jan 2024 • 21 Fuel-ups

  Property of CountryW

• 19.3 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed
  Added Aug 2024 • 30 Fuel-ups

  Property of armsteads

• 21.1 Avg MPG

• Trackhawk

  2018 Jeep Grand Cherokee Trackhawk 6.2L V8 GAS Automatic 8 Speed Sport Utility
  Added Apr 2023 • 27 Fuel-ups

  Property of CAHayes1109

• 12.1 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Laredo 3.6L V6 FLEX Automatic 8 Speed
  Added Mar 2022 • 154 Fuel-ups

  Property of SHendrick111

• 21.9 Avg MPG

• My Grand Cherokee 2018

  2018 Jeep Grand Cherokee High Altitude 3.6L V6 FLEX Automatic 8 Speed
  Added Sep 2019 • 253 Fuel-ups

  Property of IsraelHands

• 18.1 Avg MPG

• Trailhawk

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Mar 2024 • 58 Fuel-ups

  Property of Mtbikemarc

• 16.3 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Summit 5.7L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 265 Fuel-ups

  Property of Memulder

• 16.7 Avg MPG

• Elle’s Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed
  Added Oct 2024 • 19 Fuel-ups

  Property of 94XJ

• 17.8 Avg MPG

• GC

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Sep 2020 • 283 Fuel-ups

  Property of Majicone

• 18.9 Avg MPG

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