Based on data from 211 vehicles, 16,142 fuel-ups and 4,130,343 miles of driving, the 2021 Jeep Gladiator gets a combined Avg MPG of 17.14 with a 0.06 MPG margin of error.

Any Engine Type 3.0L V6 DIESEL (54) 3.6L V6 GAS (153) Any Body Style Crew Cab Pickup (71) Any Submodel Altitude (1) Texas Trail (1) 80th Anniversary (2) High Altitude (3) Willys Sport (3) Sport (9) Overland (17) Willys (20) Sport S (33) Mojave (48) Rubicon (74)

Below you can see a distribution of the fuel-ups with 668 outliers (3.97%) removed.

Following shows the average MPG of each of the 211 vehicles in the system.

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• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Apr 2024 • 20 Fuel-ups

  Property of muddernuker

• 14.9 Avg MPG

• Gladiator

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

  Property of around_the_nw

• 18.6 Avg MPG

• Oscar

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Jun 2021 • 85 Fuel-ups

  Property of laythg

• 15.4 Avg MPG

• Big Red

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Aug 2021 • 77 Fuel-ups

  Property of jcrogesr87

• 18.4 Avg MPG

• ‘21 JTRD

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Dec 2021 • 111 Fuel-ups

  Property of dougstdig

• 18.6 Avg MPG

• B.W.’s Spirit

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Jan 2021 • 102 Fuel-ups

  Property of grumpycubbear

• 18.1 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Jan 2021 • 113 Fuel-ups

  Property of escheitz

• 22.7 Avg MPG

• 2022 JTRD

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Dec 2023 • 111 Fuel-ups

  Property of HereWeGo

• 18.2 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Manual 6 Speed
  Added Nov 2021 • 122 Fuel-ups

  Property of KingWrangler

• 18.2 Avg MPG

• GG JTRD

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Nov 2021 • 100 Fuel-ups

  Property of Jocww

• 23.7 Avg MPG

• Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Sep 2021 • 146 Fuel-ups

  Property of zuki_dan

• 14.4 Avg MPG

• Cricket (Gladiator)

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Dec 2021 • 78 Fuel-ups

  Property of macpug

• 13.2 Avg MPG

• Jeep Gladiator

  2021 Jeep Gladiator Willys 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Aug 2021 • 68 Fuel-ups

  Property of NoahI

• 16.2 Avg MPG

• Jeep Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Jun 2023 • 38 Fuel-ups

  Property of Lifesport

• 21.1 Avg MPG

• Jane's Jeep

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic Dual Clutch 8 Speed Crew Cab Pickup
  Added Mar 2024 • 123 Fuel-ups

  Property of RoJane421

• 22.8 Avg MPG

• JeepTrooper

  2021 Jeep Gladiator Willys 3.0L V6 DIESEL Automatic 8 Speed
  Added Sep 2021 • 191 Fuel-ups

  Property of SDxplor

• 18.6 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Sport S 3.0L V6 DIESEL Automatic 8 Speed
  Added Feb 2021 • 55 Fuel-ups

  Property of MrBryanThomsen

• 13.7 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2021 • 59 Fuel-ups

  Property of bjholyfield

• 15.2 Avg MPG

• Gladys

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Oct 2022 • 46 Fuel-ups

  Property of stpinetree

• 13.9 Avg MPG

• Sue’s Gecko Gladiator

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

  Property of rekerr

• 16.8 Avg MPG

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