Based on data from 200 vehicles, 13,960 fuel-ups and 3,562,426 miles of driving, the 2021 Jeep Gladiator gets a combined Avg MPG of 17.16 with a 0.06 MPG margin of error.

Any Engine Type 3.0L V6 DIESEL (51) 3.6L V6 GAS (145) Any Body Style Crew Cab Pickup (70) Any Submodel Altitude (1) 80th Anniversary (2) High Altitude (3) Willys Sport (3) Sport (9) Overland (16) Willys (20) Sport S (32) Mojave (45) Rubicon (69)

Below you can see a distribution of the fuel-ups with 560 outliers (3.86%) removed.

Following shows the average MPG of each of the 200 vehicles in the system.

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• My Gladiator

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Jan 2022 • 120 Fuel-ups

  Property of ericloj

• 17.2 Avg MPG

• Gladiator

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jan 2023 • 68 Fuel-ups

  Property of Arosacope

• 14.1 Avg MPG

• My Gladiator

  2021 Jeep Gladiator High Altitude 3.0L V6 DIESEL Automatic 8 Speed
  Added Feb 2024 • 6 Fuel-ups

  Property of rvbberglves

• 21.0 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Jun 2021 • 144 Fuel-ups

  Property of BDHSC

• 25.9 Avg MPG

• Gladiator

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed
  Added Dec 2021 • 92 Fuel-ups

  Property of slamdry

• 17.4 Avg MPG

• My Black Gladiator Mojave

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Nov 2021 • 179 Fuel-ups

  Property of jaeseung100

• 17.6 Avg MPG

• Sue’s Gecko Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Apr 2022 • 86 Fuel-ups

  Property of rekerr

• 16.8 Avg MPG

• Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Crew Cab Pickup
  Added Jul 2021 • 179 Fuel-ups

  Property of tah1169

• 18.9 Avg MPG

• Morena

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Aug 2021 • 86 Fuel-ups

  Property of EdgarGarcia

• 15.4 Avg MPG

• Big Red

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Aug 2021 • 69 Fuel-ups

  Property of jcrogesr87

• 18.6 Avg MPG

• 488

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Feb 2024 • 19 Fuel-ups

  Property of bryanque89

• 14.3 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Mar 2021 • 144 Fuel-ups

  Property of markr6754

• 18.6 Avg MPG

• Jeep

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2023 • 124 Fuel-ups

  Property of monsieur_cox

• 17.2 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Feb 2021 • 166 Fuel-ups

  Property of Dillard

• 20.9 Avg MPG

• GG JTRD

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Nov 2021 • 87 Fuel-ups

  Property of Jocww

• 23.2 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Willys Sport 3.6L V6 GAS Automatic 8 Speed
  Added Jan 2021 • 182 Fuel-ups

  Property of alekslewis

• 16.0 Avg MPG

• Big Basilone

  2021 Jeep Gladiator High Altitude 3.6L V6 GAS Automatic 8 Speed
  Added Feb 2023 • 64 Fuel-ups

  Property of MNMoose

• 17.7 Avg MPG

• Odie the Gladiator

  2021 Jeep Gladiator Willys 3.6L V6 GAS Automatic 8 Speed
  Added Mar 2022 • 95 Fuel-ups

  Property of Nar165

• 18.1 Avg MPG

• JeepTrooper

  2021 Jeep Gladiator Willys 3.0L V6 DIESEL Automatic 8 Speed
  Added Sep 2021 • 158 Fuel-ups

  Property of SDxplor

• 18.6 Avg MPG

• JEEP

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Sep 2021 • 86 Fuel-ups

  Property of bakgatdoc

• 15.2 Avg MPG

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