Based on data from 215 vehicles, 16,873 fuel-ups and 4,309,213 miles of driving, the 2021 Jeep Gladiator gets a combined Avg MPG of 17.11 with a 0.06 MPG margin of error.

Any Engine Type 3.0L V6 DIESEL (54) 3.6L V6 GAS (157) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (71) Any Submodel Altitude (1) Texas Trail (1) 80th Anniversary (2) Willys Sport (3) High Altitude (4) Sport (9) Overland (17) Willys (20) Sport S (33) Mojave (48) Rubicon (77)

Below you can see a distribution of the fuel-ups with 685 outliers (3.90%) removed.

Following shows the average MPG of each of the 215 vehicles in the system.

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• Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Crew Cab Pickup
  Added Jul 2021 • 213 Fuel-ups

  Property of tah1169

• 18.7 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Aug 2021 • 340 Fuel-ups

  Property of Andersonic

• 20.3 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jul 2021 • 285 Fuel-ups

  Property of OldestCrow

• 13.5 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Sep 2024 • 37 Fuel-ups

  Property of GuthrieCW

• 19.6 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Dec 2020 • 163 Fuel-ups

  Property of CrucialTK

• 19.8 Avg MPG

• Stitch

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Jun 2023 • 79 Fuel-ups

  Property of wildtaz21

• 19.1 Avg MPG

• Jeep Gladiator

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed
  Added Sep 2021 • 97 Fuel-ups

  Property of steveorama

• 17.2 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2021 • 93 Fuel-ups

  Property of jmburgess5

• 14.8 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Oct 2022 • 254 Fuel-ups

  Property of gladiatot

• 16.1 Avg MPG

• Willys Sarge

  2021 Jeep Gladiator Willys 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2021 • 225 Fuel-ups

  Property of DGThor

• 16.7 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2021 • 141 Fuel-ups

  Property of wrangler17

• 17.7 Avg MPG

• 2021 Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Automatic 8 Speed
  Added Mar 2021 • 162 Fuel-ups

  Property of ajapartments

• 15.8 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Jan 2022 • 169 Fuel-ups

  Property of ericloj

• 16.9 Avg MPG

• Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Nov 2024 • 25 Fuel-ups

  Property of markwpriz

• 19.7 Avg MPG

• My Gladiator

  2021 Jeep Gladiator High Altitude 3.6L V6 GAS Automatic 8 Speed
  Added Jan 2021 • 112 Fuel-ups

  Property of annaherod

• 16.7 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Jun 2021 • 172 Fuel-ups

  Property of BDHSC

• 25.8 Avg MPG

• Gladiator

  2021 Jeep Gladiator Willys 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Dec 2023 • 77 Fuel-ups

  Property of lowjo

• 15.5 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Sport 3.6L V6 GAS Automatic 8 Speed
  Added Mar 2021 • 141 Fuel-ups

  Property of Keith50

• 18.0 Avg MPG

• My Gladiator

  2021 Jeep Gladiator 80th Anniversary 3.6L V6 GAS Automatic 8 Speed
  Added Feb 2024 • 25 Fuel-ups

  Property of Auchenrv01

• 17.0 Avg MPG

• Jeep Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Feb 2021 • 398 Fuel-ups

  Property of kszys

• 23.3 Avg MPG

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