Based on data from 211 vehicles, 16,077 fuel-ups and 4,113,682 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 666 outliers (3.98%) removed.

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

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• 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

• Max

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jun 2021 • 159 Fuel-ups

  Property of curtdennis

• 15.7 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

• My Gladiator

  2021 Jeep Gladiator 80th Anniversary 3.6L V6 GAS Automatic 8 Speed
  Added Feb 2024 • 19 Fuel-ups

  Property of Auchenrv01

• 17.3 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

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Dec 2022 • 69 Fuel-ups

  Property of wcbake

• 21.1 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

• My Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2022 • 50 Fuel-ups

  Property of harleythor

• 12.5 Avg MPG

• Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Oct 2020 • 157 Fuel-ups

  Property of kclendaniel

• 23.3 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

• Big Basilone

  2021 Jeep Gladiator High Altitude 3.6L V6 GAS Automatic 8 Speed
  Added Feb 2023 • 87 Fuel-ups

  Property of MNMoose

• 17.5 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Sport S 3.0L V6 DIESEL Automatic 8 Speed
  Added Oct 2022 • 160 Fuel-ups

  Property of gatorturbo

• 18.2 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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