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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• My Gladiator

  2021 Jeep Gladiator High Altitude 3.0L V6 DIESEL Automatic 8 Speed
  Added Feb 2024 • 30 Fuel-ups

  Property of rvbberglves

• 21.7 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Aug 2021 • 325 Fuel-ups

  Property of Andersonic

• 20.3 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Sport 3.6L V6 GAS Automatic 8 Speed
  Added Oct 2021 • 175 Fuel-ups

  Property of raf1866

• 17.3 Avg MPG

• Mudkip

  2021 Jeep Gladiator Sport S 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Dec 2023 • 47 Fuel-ups

  Property of simonlv

• 19.6 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Jan 2022 • 159 Fuel-ups

  Property of ericloj

• 16.9 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Jul 2021 • 78 Fuel-ups

  Property of brianlueken

• 21.1 Avg MPG

• Gladiator

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2021 • 55 Fuel-ups

  Property of evanslmtd

• 16.6 Avg MPG

• 2021 Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Mar 2021 • 154 Fuel-ups

  Property of ajapartments

• 15.8 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Jun 2021 • 166 Fuel-ups

  Property of BDHSC

• 25.8 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Willys
  Added Dec 2020 • 246 Fuel-ups

  Property of DakotaDax

• 18.6 Avg MPG

• 2021 Jeep Gladiator Rubicon

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Oct 2021 • 192 Fuel-ups

  Property of bartelbjones

• 15.7 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Feb 2021 • 192 Fuel-ups

  Property of NYC-4X4

• 16.5 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Apr 2021 • 173 Fuel-ups

  Property of KCDC85

• 14.6 Avg MPG

• White Thunder

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Sep 2021 • 156 Fuel-ups

  Property of Adrian_CCG

• 18.3 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added May 2021 • 135 Fuel-ups

  Property of thoort

• 17.0 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Sep 2021 • 94 Fuel-ups

  Property of 97TJGUZZY

• 22.1 Avg MPG

• Gladiator

  2021 Jeep Gladiator Willys 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Dec 2023 • 65 Fuel-ups

  Property of lowjo

• 15.8 Avg MPG

• Gladiator

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Aug 2022 • 136 Fuel-ups

  Property of kmcquown65

• 14.2 Avg MPG

• Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2021 • 198 Fuel-ups

  Property of TX-TRL

• 16.5 Avg MPG

• My Black Gladiator Mojave

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Nov 2021 • 198 Fuel-ups

  Property of jaeseung100

• 18.3 Avg MPG

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