Based on data from 211 vehicles, 16,142 fuel-ups and 4,130,343 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 668 outliers (3.97%) removed.

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

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• Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Crew Cab Pickup
  Added Jul 2021 • 200 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 • 192 Fuel-ups

  Property of brethlake2000

• 18.1 Avg MPG

• Jeep Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Feb 2021 • 385 Fuel-ups

  Property of kszys

• 23.3 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Jun 2024 • 57 Fuel-ups

  Property of bobcatt67

• 11.9 Avg MPG

• Jeep Gladiator

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed
  Added Sep 2021 • 91 Fuel-ups

  Property of steveorama

• 17.2 Avg MPG

• JEEP

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Aug 2023 • 59 Fuel-ups

  Property of fuelly75

• 18.8 Avg MPG

• MoMo

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Aug 2021 • 36 Fuel-ups

  Property of Scubaca

• 15.0 Avg MPG

• Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jun 2023 • 26 Fuel-ups

  Property of synlubega

• 17.0 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2021 • 85 Fuel-ups

  Property of jmburgess5

• 14.8 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Aug 2021 • 115 Fuel-ups

  Property of AJBolian

• 14.3 Avg MPG

• 2021 Gladiator

  2021 Jeep Gladiator Willys 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Oct 2021 • 100 Fuel-ups

  Property of misslman

• 17.8 Avg MPG

• 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

• 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 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 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

• 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

• 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

• Blueberry

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

  Property of marcsnyder05

• 16.3 Avg MPG

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