Based on data from 200 vehicles, 13,932 fuel-ups and 3,555,338 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 High Altitude 3.6L V6 GAS Automatic 8 Speed
  Added Jan 2021 • 95 Fuel-ups

  Property of annaherod

• 16.5 Avg MPG

• Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Dec 2020 • 139 Fuel-ups

  Property of eyekode

• 16.2 Avg MPG

• Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Sep 2021 • 124 Fuel-ups

  Property of zuki_dan

• 14.6 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Dec 2022 • 62 Fuel-ups

  Property of wcbake

• 21.3 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2021 • 49 Fuel-ups

  Property of bjholyfield

• 15.2 Avg MPG

• Gladiator

  2021 Jeep Gladiator Sport S 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Dec 2023 • 16 Fuel-ups

  Property of around_the_nw

• 17.8 Avg MPG

• Mudkip

  2021 Jeep Gladiator Sport S 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Dec 2023 • 17 Fuel-ups

  Property of simonlv

• 19.6 Avg MPG

• Gladiator

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 9 Speed Crew Cab Pickup
  Added Mar 2021 • 145 Fuel-ups

  Property of yawnson

• 15.5 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Manual 6 Speed
  Added Nov 2021 • 101 Fuel-ups

  Property of KingWrangler

• 18.3 Avg MPG

• JeepTrooper

  2021 Jeep Gladiator Willys 3.0L V6 DIESEL Automatic 8 Speed
  Added Sep 2021 • 157 Fuel-ups

  Property of SDxplor

• 18.6 Avg MPG

• Morena

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Aug 2021 • 82 Fuel-ups

  Property of EdgarGarcia

• 15.5 Avg MPG

• Cricket (Gladiator)

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Dec 2021 • 66 Fuel-ups

  Property of macpug

• 13.1 Avg MPG

• Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Oct 2020 • 143 Fuel-ups

  Property of kclendaniel

• 23.3 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2022 • 43 Fuel-ups

  Property of harleythor

• 12.6 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Apr 2024 • 3 Fuel-ups

  Property of cowboykarry

• 15.4 Avg MPG

• Gladiator

  2021 Jeep Gladiator Willys 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2022 • 72 Fuel-ups

  Property of mitch531

• 19.7 Avg MPG

• Jeep Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Jun 2023 • 27 Fuel-ups

  Property of Lifesport

• 20.9 Avg MPG

• Jeep Gladiator

  2021 Jeep Gladiator Sport 3.6L V6 GAS Manual 6 Speed Crew Cab Pickup
  Added Feb 2021 • 69 Fuel-ups

  Property of tmontag

• 19.1 Avg MPG

• Mojave

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Manual 6 Speed Crew Cab Pickup
  Added May 2021 • 79 Fuel-ups

  Property of LankyR

• 15.7 Avg MPG

• XT6

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2021 • 97 Fuel-ups

  Property of ntr

• 20.6 Avg MPG

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