Based on data from 216 vehicles, 17,247 fuel-ups and 4,402,247 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 (3.90%) removed.

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

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• Rubi Red

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Aug 2023 • 164 Fuel-ups

  Property of Tortuga41

• 23.4 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Sep 2021 • 101 Fuel-ups

  Property of 97TJGUZZY

• 22.2 Avg MPG

• Cricket (Gladiator)

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Dec 2021 • 83 Fuel-ups

  Property of macpug

• 13.2 Avg MPG

• Stitch

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Jun 2023 • 84 Fuel-ups

  Property of wildtaz21

• 19.0 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Overland 3.0L V6 DIESEL Automatic 8 Speed
  Added Oct 2024 • 23 Fuel-ups

  Property of crashhero

• 22.1 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Jun 2021 • 328 Fuel-ups

  Property of mando21

• 15.8 Avg MPG

• Jeep Truck

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Manual 6 Speed Crew Cab Pickup
  Added Jan 2021 • 191 Fuel-ups

  Property of jut60

• 18.2 Avg MPG

• Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Dec 2020 • 171 Fuel-ups

  Property of eyekode

• 16.3 Avg MPG

• Gladiator

  2021 Jeep Gladiator Willys 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Dec 2023 • 82 Fuel-ups

  Property of lowjo

• 15.6 Avg MPG

• Jade

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jul 2024 • 26 Fuel-ups

  Property of jetlite

• 16.9 Avg MPG

• Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jun 2023 • 31 Fuel-ups

  Property of synlubega

• 16.9 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Willys
  Added Dec 2020 • 271 Fuel-ups

  Property of DakotaDax

• 18.5 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Jun 2021 • 177 Fuel-ups

  Property of BDHSC

• 25.8 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Apr 2021 • 187 Fuel-ups

  Property of KCDC85

• 14.7 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Aug 2021 • 348 Fuel-ups

  Property of Andersonic

• 20.3 Avg MPG

• 488

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Feb 2024 • 69 Fuel-ups

  Property of bryanque89

• 14.2 Avg MPG

• Jeep

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2021 • 131 Fuel-ups

  Property of ntr

• 20.7 Avg MPG

• Gladiator

  2021 Jeep Gladiator Sport S 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Dec 2023 • 41 Fuel-ups

  Property of around_the_nw

• 18.7 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed
  Added Jan 2022 • 220 Fuel-ups

  Property of brethlake2000

• 18.0 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Altitude 3.6L V6 GAS Automatic 8 Speed
  Added Sep 2022 • 190 Fuel-ups

  Property of JeepFuel21

• 13.9 Avg MPG

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