Based on data from 200 vehicles, 13,834 fuel-ups and 3,530,410 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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• Big Basilone

  2021 Jeep Gladiator High Altitude 3.6L V6 GAS Automatic 8 Speed
  Added Feb 2023 • 62 Fuel-ups

  Property of MNMoose

• 17.8 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jul 2021 • 229 Fuel-ups

  Property of OldestCrow

• 13.6 Avg MPG

• 2021 Gladiator

  2021 Jeep Gladiator Willys 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Oct 2021 • 85 Fuel-ups

  Property of misslman

• 18.0 Avg MPG

• My Gladiator

  2021 Jeep Gladiator High Altitude 3.0L V6 DIESEL Automatic 8 Speed
  Added Feb 2024 • 5 Fuel-ups

  Property of rvbberglves

• 20.7 Avg MPG

• ‘21 JTRD

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Dec 2021 • 97 Fuel-ups

  Property of dougstdig

• 18.5 Avg MPG

• Jeep

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2023 • 119 Fuel-ups

  Property of monsieur_cox

• 17.2 Avg MPG

• Max

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jun 2021 • 135 Fuel-ups

  Property of curtdennis

• 15.7 Avg MPG

• Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jun 2023 • 13 Fuel-ups

  Property of synlubega

• 17.2 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Aug 2021 • 272 Fuel-ups

  Property of Andersonic

• 20.2 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Willys
  Added Dec 2020 • 221 Fuel-ups

  Property of DakotaDax

• 18.6 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Willys 3.6L V6 GAS Automatic 8 Speed
  Added Oct 2021 • 136 Fuel-ups

  Property of MikeRS1981

• 17.8 Avg MPG

• 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

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