The Jeep Gladiator's gas tank is 22.0 gallons.
Larger sized gas tanks are advantageous because you don't need to go to the gas station as often. Also, you can take advantage of days when gas prices are discounted and fill up your vehicle with a larger quantity of gas.
Scroll down for the gas tank size tables for your year and trim.
| Year | Trim | Engine | Gallons | Liters |
|---|---|---|---|---|
| 2022 | Altitude 4x4 | 3.6L | 22.0 | 83.3 |
| 2022 | High Altitude 4x4 | 3.6L | 22.0 | 83.3 |
| 2022 | Mojave 4x4 | 3.6L | 22.0 | 83.3 |
| 2022 | Overland 4x4 | 3.6L | 22.0 | 83.3 |
| 2022 | Rubicon 4x4 | 3.6L | 22.0 | 83.3 |
| 2022 | Sport 4x4 | 3.6L | 22.0 | 83.3 |
| 2022 | Sport S 4x4 | 3.6L | 22.0 | 83.3 |
| 2022 | Texas Trail 4x4 | 3.6L | 22.0 | 83.3 |
| 2022 | Willys 4x4 | 3.6L | 22.0 | 83.3 |
| 2022 | Willys Sport 4x4 | 3.6L | 22.0 | 83.3 |
| 2021 | 80th Anniversary 4x4 | 3.6L | 22.0 | 83.3 |
| 2021 | California Edition 4x4 | 3.6L | 22.0 | 83.3 |
| 2021 | Freedom 4x4 | 3.6L | 22.0 | 83.3 |
| 2021 | High Altitude 4x4 | 3.6L | 22.0 | 83.3 |
| 2021 | Mojave 4x4 | 3.6L | 22.0 | 83.3 |
| 2021 | Overland 4x4 | 3.6L | 22.0 | 83.3 |
| 2021 | Rubicon 4x4 | 3.6L | 22.0 | 83.3 |
| 2021 | Sport 4x4 | 3.6L | 22.0 | 83.3 |
| 2021 | Sport S 4x4 | 3.6L | 22.0 | 83.3 |
| 2021 | Texas Trail 4x4 | 3.6L | 22.0 | 83.3 |
| 2021 | Willys 4x4 | 3.6L | 22.0 | 83.3 |
| 2021 | Willys Sport 4x4 | 3.6L | 22.0 | 83.3 |
| 2021 | 80th Anniversary 4x4 | 3.6L | 22.0 | 83.3 |
| 2021 | Freedom 4x4 | 3.6L | 22.0 | 83.3 |
| Year | Trim | Engine | Gallons | Liters |
|---|---|---|---|---|
| 2020 | Altitude 4x4 | 3.6L | 22.0 | 83.3 |
| 2020 | Mojave 4x4 | 3.6L | 22.0 | 83.3 |
| 2020 | North Edition 4x4 | 3.6L | 22.0 | 83.3 |
| 2020 | Overland 4x4 | 3.6L | 22.0 | 83.3 |
| 2020 | Rubicon 4x4 | 3.6L | 22.0 | 83.3 |
| 2020 | Sport 4x4 | 3.6L | 22.0 | 83.3 |
| 2020 | Sport S 4x4 | 3.6L | 22.0 | 83.3 |
| 2020 | Crew Cab Altitude 4WD | 3.6L | 22.0 | 83.3 |
| 2020 | Crew Cab Launch Edition 4WD | 3.6L | 22.0 | 83.3 |
| 2020 | Crew Cab Mojave 4WD | 3.6L | 22.0 | 83.3 |
| 2020 | Crew Cab Overland 4WD | 3.6L | 22.0 | 83.3 |
| 2020 | Crew Cab Rubicon 4WD | 3.6L | 22.0 | 83.3 |
| 2020 | Crew Cab Sport 4WD | 3.6L | 22.0 | 83.3 |
| 2020 | Crew Cab Sport S 4WD | 3.6L | 22.0 | 83.3 |
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Also, you can consult the vehicle's owner's manual.