Based on data from 200 vehicles, 13,848 fuel-ups and 3,534,126 miles of driving, the 2021 Jeep Gladiator gets a combined Avg MPG of 17.17 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 (3.89%) removed.

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

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• Rubi Red

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Aug 2023 • 75 Fuel-ups

  Property of Tortuga41

• 22.6 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2021 • 108 Fuel-ups

  Property of wrangler17

• 17.6 Avg MPG

• 2021 Jeep Gladiator Rubicon

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Oct 2021 • 159 Fuel-ups

  Property of bartelbjones

• 15.6 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Feb 2022 • 80 Fuel-ups

  Property of r22pilot

• 11.3 Avg MPG

• Sue’s Gecko Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Apr 2022 • 85 Fuel-ups

  Property of rekerr

• 16.8 Avg MPG

• Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2021 • 174 Fuel-ups

  Property of TX-TRL

• 16.6 Avg MPG

• Jeep Gladiator

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed
  Added Sep 2021 • 68 Fuel-ups

  Property of steveorama

• 17.2 Avg MPG

• 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

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Sep 2021 • 128 Fuel-ups

  Property of Adrian_CCG

• 18.5 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

• 2022 JTRD

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Dec 2023 • 33 Fuel-ups

  Property of HereWeGo

• 17.9 Avg MPG

• 488

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Feb 2024 • 16 Fuel-ups

  Property of bryanque89

• 14.4 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 Sep 2021 • 74 Fuel-ups

  Property of 97TJGUZZY

• 21.2 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Feb 2021 • 164 Fuel-ups

  Property of NYC-4X4

• 16.4 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

• Gladiator

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Nov 2021 • 212 Fuel-ups

  Property of jackwagon40

• 18.5 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

• Gladiator

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed
  Added Dec 2021 • 90 Fuel-ups

  Property of slamdry

• 17.4 Avg MPG

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