Based on data from 216 vehicles, 17,185 fuel-ups and 4,385,902 miles of driving, the 2021 Jeep Gladiator gets a combined Avg MPG of 17.10 with a 0.06 MPG margin of error.

Any Engine Type 3.0L V6 DIESEL (55) 3.6L V6 GAS (157) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (73) Any Submodel Altitude (1) Texas Trail (1) 80th Anniversary (3) Willys Sport (3) High Altitude (4) Sport (9) Overland (18) Willys (20) Sport S (33) Mojave (48) Rubicon (76)

Below you can see a distribution of the fuel-ups with 700 outliers (3.91%) removed.

Following shows the average MPG of each of the 216 vehicles in the system.

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• My Gladiator

  2021 Jeep Gladiator Mojave
  Added Nov 2020 • 273 Fuel-ups

  Property of prostatus

• 15.5 Avg MPG

• JEEP

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Sep 2021 • 117 Fuel-ups

  Property of bakgatdoc

• 15.3 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Aug 2021 • 347 Fuel-ups

  Property of Andersonic

• 20.3 Avg MPG

• Rubi Red

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Aug 2023 • 163 Fuel-ups

  Property of Tortuga41

• 23.4 Avg MPG

• My Black Gladiator Mojave

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Nov 2021 • 222 Fuel-ups

  Property of jaeseung100

• 18.2 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Aug 2021 • 128 Fuel-ups

  Property of AJBolian

• 14.2 Avg MPG

• Black Gladiator

  2021 Jeep Gladiator Willys 3.0L V6 DIESEL Automatic 8 Speed
  Added Nov 2024 • 16 Fuel-ups

  Property of SDxplor

• 18.2 Avg MPG

• Big Red

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Aug 2021 • 82 Fuel-ups

  Property of jcrogesr87

• 18.2 Avg MPG

• Gladiator

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Nov 2021 • 272 Fuel-ups

  Property of jackwagon40

• 18.3 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Mar 2023 • 110 Fuel-ups

  Property of jav_eee

• 15.0 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Nov 2021 • 127 Fuel-ups

  Property of tkrosolina

• 15.7 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Sep 2024 • 44 Fuel-ups

  Property of GuthrieCW

• 19.5 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Jan 2025 • 72 Fuel-ups

  Property of andyfc

• 13.2 Avg MPG

• ‘21 JTRD

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Dec 2021 • 117 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 • 208 Fuel-ups

  Property of monsieur_cox

• 17.2 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Willys
  Added Dec 2020 • 270 Fuel-ups

  Property of DakotaDax

• 18.5 Avg MPG

• Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Nov 2024 • 36 Fuel-ups

  Property of markwpriz

• 19.6 Avg MPG

• Blueberry

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Sep 2023 • 50 Fuel-ups

  Property of marcsnyder05

• 16.1 Avg MPG

• Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Crew Cab Pickup
  Added Jul 2021 • 218 Fuel-ups

  Property of tah1169

• 18.7 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed
  Added Jan 2022 • 218 Fuel-ups

  Property of brethlake2000

• 18.0 Avg MPG

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