Based on data from 253 vehicles, 18,912 fuel-ups and 6,300,944 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 (42) 3.6L V6 FLEX (146) 5.7L V8 GAS (33) 6.2L V8 GAS (10) 6.4L V8 GAS (7) V6 GAS (1) Any Body Style Sport Utility (92) Any Submodel Limited Lujo (1) SRT (7) Altitude (8) Trackhawk (12) Summit (18) High Altitude (22) Laredo (29) Overland (40) Trailhawk (56) Limited (60)

Below you can see a distribution of the fuel-ups with 927 outliers (4.67%) removed.

Following shows the average MPG of each of the 253 vehicles in the system.

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• My Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.0L V6 DIESEL Automatic 8 Speed
  Added Dec 2020 • 151 Fuel-ups

  Property of mbarney5

• 21.0 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed
  Added Sep 2018 • 217 Fuel-ups

  Property of lawdawg08

• 18.9 Avg MPG

• GC

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Sep 2020 • 252 Fuel-ups

  Property of Majicone

• 18.8 Avg MPG

• Trailhawk

  2018 Jeep Grand Cherokee Trailhawk 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Sep 2020 • 188 Fuel-ups

  Property of seely33

• 18.1 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed
  Added Mar 2024 • 5 Fuel-ups

  Property of jen21580

• 18.8 Avg MPG

• Grand Cherokee Overland

  2018 Jeep Grand Cherokee Overland 3.0L V6 DIESEL Automatic 8 Speed
  Added Jan 2018 • 282 Fuel-ups

  Property of mf0rd

• 23.3 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Summit 3.6L V6 FLEX Automatic 8 Speed
  Added Nov 2021 • 116 Fuel-ups

  Property of cmacvp16

• 20.2 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Summit 3.6L V6 FLEX Automatic 8 Speed
  Added Jan 2018 • 200 Fuel-ups

  Property of horrorwon

• 21.0 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added Feb 2018 • 149 Fuel-ups

  Property of tsanchez99

• 16.9 Avg MPG

• My Grand Cherokee 2018

  2018 Jeep Grand Cherokee High Altitude 3.6L V6 FLEX Automatic 8 Speed
  Added Sep 2019 • 223 Fuel-ups

  Property of IsraelHands

• 17.8 Avg MPG

• 2018 Grand Cherokee

  2018 Jeep Grand Cherokee Overland 5.7L V8 GAS Automatic 8 Speed
  Added Jan 2023 • 42 Fuel-ups

  Property of jhp923

• 18.1 Avg MPG

• Grand Cherokee

  2018 Jeep Grand Cherokee Altitude
  Added Apr 2020 • 232 Fuel-ups

  Property of amandy93

• 19.8 Avg MPG

• Jeep Grand Cherokee

  2018 Jeep Grand Cherokee Limited 3.0L V6 DIESEL Automatic 8 Speed
  Added May 2019 • 110 Fuel-ups

  Property of daveazevedo

• 21.0 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.0L V6 DIESEL Automatic 8 Speed
  Added Dec 2023 • 11 Fuel-ups

  Property of tbev16

• 20.7 Avg MPG

• Brandy’s Grand Cherokee

  2018 Jeep Grand Cherokee Summit 3.0L V6 DIESEL Automatic 8 Speed
  Added Jun 2018 • 236 Fuel-ups

  Property of banditladybug

• 26.6 Avg MPG

• 2018 Jeep Grand Cherokee

  2018 Jeep Grand Cherokee Summit 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Mar 2018 • 203 Fuel-ups

  Property of phillips_jim

• 20.4 Avg MPG

• Jeep

  2018 Jeep Grand Cherokee Limited Automatic 8 Speed Sport Utility
  Added Mar 2021 • 255 Fuel-ups

  Property of jnowickk

• 19.1 Avg MPG

• KillMonger

  2018 Jeep Grand Cherokee Trailhawk 5.7L V8 GAS Automatic 8 Speed
  Added Apr 2018 • 509 Fuel-ups

  Property of teashay

• 17.4 Avg MPG

• My Grand Cherokee

  2018 Jeep Grand Cherokee Overland 3.6L V6 FLEX Automatic 8 Speed
  Added May 2018 • 173 Fuel-ups

  Property of Bpd277

• 13.1 Avg MPG

• 2018 Limited

  2018 Jeep Grand Cherokee Limited 3.6L V6 FLEX Automatic 8 Speed Sport Utility
  Added Mar 2019 • 181 Fuel-ups

  Property of ssydnes

• 20.9 Avg MPG

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