Based on data from 266 vehicles, 20,755 fuel-ups and 6,898,968 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 1016 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 Overland 3.6L V6 FLEX Automatic 8 Speed
  Added Jun 2021 • 124 Fuel-ups

  Property of jeremykalina

• 17.2 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Limited Automatic 8 Speed
  Added Mar 2018 • 161 Fuel-ups

  Property of TheAmericanDRM

• 21.0 Avg MPG

• Jeep Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Jul 2024 • 47 Fuel-ups

  Property of pod184

• 16.2 Avg MPG

• Trailhawk

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

  Property of Mtbikemarc

• 16.4 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed
  Added Aug 2018 • 334 Fuel-ups

  Property of lonecrab

• 18.6 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Laredo 3.6L V6 FLEX Automatic 8 Speed
  Added Feb 2021 • 45 Fuel-ups

  Property of sanchezcas

• 16.0 Avg MPG

• Oliviah

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added Jun 2019 • 160 Fuel-ups

  Property of peanut1120

• 18.5 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Limited Automatic 8 Speed
  Added May 2018 • 193 Fuel-ups

  Property of klinx4

• 26.5 Avg MPG

• Jeep Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed
  Added Mar 2019 • 287 Fuel-ups

  Property of machvz

• 20.6 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed
  Added Dec 2024 • 3 Fuel-ups

  Property of 3rdblackbelt

• 17.3 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee High Altitude 5.7L V8 GAS Automatic 8 Speed
  Added Nov 2024 • 23 Fuel-ups

  Property of sskamen

• 11.9 Avg MPG

• Grand Cherokee Overland

  2018 Jeep Grand Cherokee Overland 3,0L V6 DIESEL Automatic 8 Speed Sport Utility
  Added Jan 2018 • 188 Fuel-ups

  Property of Marsupilami

• 25.0 Avg MPG

• Megans Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added May 2021 • 88 Fuel-ups

  Property of Zachary6790

• 19.3 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Laredo 3.6L V6 FLEX Automatic 8 Speed
  Added Nov 2017 • 541 Fuel-ups

  Property of wookiefur

• 19.5 Avg MPG

• Grand Cherokee Trailhawk - 4X4

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed
  Added Dec 2017 • 329 Fuel-ups

  Property of QaiVMb9w3cuiEYpK4rUb

• 18.8 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added May 2021 • 89 Fuel-ups

  Property of pill

• 18.9 Avg MPG

• 2018 Limited

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Mar 2019 • 217 Fuel-ups

  Property of ssydnes

• 21.1 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed
  Added Jan 2022 • 137 Fuel-ups

  Property of Hansonj15

• 20.1 Avg MPG

• ME 18 White Jeep GC

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed
  Added Jun 2020 • 114 Fuel-ups

  Property of washerpits

• 21.7 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added Feb 2025 • 5 Fuel-ups

  Property of gtier2304

• 18.4 Avg MPG

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