Based on data from 262 vehicles, 19,873 fuel-ups and 6,618,257 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 (34) 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 (22) Laredo (31) Overland (39) Trailhawk (58) Limited (65)

Below you can see a distribution of the fuel-ups with 978 outliers (4.69%) removed.

Following shows the average MPG of each of the 262 vehicles in the system.

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• My Grand Cherokee

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed
  Added Aug 2018 • 97 Fuel-ups

  Property of abski92585

• 15.8 Avg MPG

• Jeep

  2018 Jeep Grand Cherokee SRT 6.4L V8 GAS Automatic 8 Speed Sport Utility
  Added Sep 2019 • 53 Fuel-ups

  Property of sr2k19524

• 12.9 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Laredo 3.6L V6 FLEX Automatic 8 Speed
  Added Jul 2020 • 10 Fuel-ups

  Property of 6_7KR

• 19.8 Avg MPG

• 2018 Jeep Grand Cherokee High Altitude

  2018 Jeep Grand Cherokee High Altitude 3.6L V6 FLEX Automatic 8 Speed
  Added May 2021 • 23 Fuel-ups

  Property of rivertrav

• 17.9 Avg MPG

• Jeep - Josh

  2018 Jeep Grand Cherokee Altitude 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Oct 2018 • 112 Fuel-ups

  Property of shambala

• 16.6 Avg MPG

• GDE Tuned EcoDiesel

  2018 Jeep Grand Cherokee Trailhawk 3.0L V6 DIESEL Automatic 8 Speed Sport Utility
  Added Nov 2021 • 15 Fuel-ups

  Property of Dwyer17

• 24.3 Avg MPG

• WK2 High Altitude 4x4

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

  Property of HoosierD

• 20.7 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Overland 5.7L V8 GAS Automatic 8 Speed
  Added Dec 2017 • 78 Fuel-ups

  Property of dustyzebra

• 16.4 Avg MPG

• High Altitude

  2018 Jeep Grand Cherokee High Altitude 5.7L V8 GAS Automatic 8 Speed Sport Utility
  Added May 2018 • 165 Fuel-ups

  Property of ckellyusa

• 13.9 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Laredo 3.6L V6 FLEX Automatic 8 Speed
  Added Mar 2021 • 43 Fuel-ups

  Property of Hansonj15

• 19.9 Avg MPG

• Jeep

  2018 Jeep Grand Cherokee Laredo 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Jul 2020 • 98 Fuel-ups

  Property of shrinc

• 18.6 Avg MPG

• Jeep

  2018 Jeep Grand Cherokee Limited Automatic 8 Speed
  Added Nov 2021 • 104 Fuel-ups

  Property of mww370

• 19.6 Avg MPG

• 2018 Grand Cherokee Trailhawk

  2018 Jeep Grand Cherokee Trailhawk
  Added Jan 2021 • 78 Fuel-ups

  Property of mwg3c

• 16.3 Avg MPG

• Ariel

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added Mar 2021 • 29 Fuel-ups

  Property of hulkly2003

• 18.4 Avg MPG

• Brutus

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Jul 2018 • 90 Fuel-ups

  Property of dlaansma

• 22.3 Avg MPG

• Jeep

  2018 Jeep Grand Cherokee Limited Automatic 8 Speed
  Added Oct 2017 • 102 Fuel-ups

  Property of mww370

• 19.4 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Summit 3.0L V6 DIESEL Automatic 8 Speed Sport Utility
  Added Sep 2020 • 31 Fuel-ups

  Property of omoneybags

• 28.3 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Altitude 3.6L V6 FLEX Automatic 8 Speed
  Added Sep 2018 • 68 Fuel-ups

  Property of phipp1ma

• 19.1 Avg MPG

• Jeep

  2018 Jeep Grand Cherokee Trailhawk 5.7L V8 GAS Automatic 8 Speed Sport Utility
  Added Mar 2019 • 65 Fuel-ups

  Property of Amothyrie

• 15.9 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.0L V6 DIESEL Automatic 8 Speed
  Added Jul 2021 • 3 Fuel-ups

  Property of fultons

• 27.3 Avg MPG

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