Based on data from 220 vehicles, 17,731 fuel-ups and 4,521,973 miles of driving, the 2021 Jeep Gladiator gets a combined Avg MPG of 17.09 with a 0.06 MPG margin of error.

Any Engine Type 3.0L V6 DIESEL (57) 3.6L V6 GAS (159) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (75) Any Submodel Altitude (1) Texas Trail (1) 80th Anniversary (3) Willys Sport (3) High Altitude (4) 1.5 RS CVT Honda SENSING (10) Overland (20) Willys (20) Sport S (34) Mojave (48) Rubicon (76)

Below you can see a distribution of the fuel-ups with 717 outliers (3.89%) removed.

Following shows the average MPG of each of the 220 vehicles in the system.

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• Jeep

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2021 • 136 Fuel-ups

  Property of ntr

• 20.6 Avg MPG

• Gladiator

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

  Property of markwpriz

• 19.7 Avg MPG

• Gladiator

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jan 2025 • 12 Fuel-ups

  Property of j1m85

• 20.0 Avg MPG

• Jeep Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed Crew Cab Pickup
  Added Jun 2023 • 49 Fuel-ups

  Property of Lifesport

• 21.0 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2021 • 67 Fuel-ups

  Property of bjholyfield

• 15.2 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Oct 2022 • 271 Fuel-ups

  Property of gladiatot

• 16.1 Avg MPG

• Jeep Gladiator

  2021 Jeep Gladiator Willys Sport 3.6L V6 GAS Automatic 8 Speed
  Added Mar 2021 • 115 Fuel-ups

  Property of terob22

• 17.5 Avg MPG

• My Gladiator

  2021 Jeep Gladiator 1.5 RS CVT Honda SENSING 3.6L V6 GAS Automatic 8 Speed
  Added Mar 2021 • 147 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 • 31 Fuel-ups

  Property of Auchenrv01

• 16.8 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Overland 3.0L V6 DIESEL Automatic 8 Speed
  Added Oct 2024 • 32 Fuel-ups

  Property of crashhero

• 21.6 Avg MPG

• My Gladiator

  2021 Jeep Gladiator High Altitude 3.6L V6 GAS Automatic 8 Speed
  Added Jan 2021 • 125 Fuel-ups

  Property of annaherod

• 16.5 Avg MPG

• Willys Sarge

  2021 Jeep Gladiator Willys 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2021 • 232 Fuel-ups

  Property of DGThor

• 16.6 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed
  Added Jan 2022 • 228 Fuel-ups

  Property of brethlake2000

• 18.0 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Rubicon 3.0L V6 DIESEL Automatic 8 Speed
  Added Sep 2024 • 58 Fuel-ups

  Property of GuthrieCW

• 19.8 Avg MPG

• Gladiator

  2021 Jeep Gladiator Overland 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Nov 2021 • 277 Fuel-ups

  Property of jackwagon40

• 18.3 Avg MPG

• Jeep

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2023 • 225 Fuel-ups

  Property of monsieur_cox

• 17.1 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Sep 2024 • 15 Fuel-ups

  Property of 2012JKrubicon

• 14.8 Avg MPG

• Stitch

  2021 Jeep Gladiator Mojave 3.6L V6 GAS Automatic 8 Speed
  Added Jun 2023 • 91 Fuel-ups

  Property of wildtaz21

• 18.9 Avg MPG

• My Gladiator

  2021 Jeep Gladiator Sport S 3.6L V6 GAS Manual 6 Speed
  Added Nov 2021 • 133 Fuel-ups

  Property of KingWrangler

• 17.9 Avg MPG

• Gladiator

  2021 Jeep Gladiator Rubicon 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2022 • 85 Fuel-ups

  Property of andyc9383

• 16.2 Avg MPG

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