The Lexus LS 500 has a different sized gas tank based on year and model trim.
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 |
|---|---|---|---|---|
| 2021 | AWD | 3.5L | 21.7 | 82.1 |
| 2021 | RWD | 3.5L | 21.7 | 82.1 |
| 2021 | F SPORT AWD | 3.5L | 21.7 | 82.1 |
| 2021 | F SPORT RWD | 3.5L | 21.7 | 82.1 |
| 2021 | h AWD | 3.5L | 22.2 | 84.0 |
| 2021 | h RWD | 3.5L | 22.2 | 84.0 |
| Year | Trim | Engine | Gallons | Liters |
|---|---|---|---|---|
| 2020 | AWD | 3.5L | 21.7 | 82.1 |
| 2020 | RWD | 3.5L | 21.7 | 82.1 |
| 2020 | F SPORT AWD | 3.5L | 21.7 | 82.1 |
| 2020 | F SPORT RWD | 3.5L | 21.7 | 82.1 |
| 2020 | Inspiration Series AWD | 3.5L | 21.7 | 82.1 |
| 2020 | Inspiration Series RWD | 3.5L | 21.7 | 82.1 |
| 2020 | h AWD | 3.5L | 22.2 | 84.0 |
| 2020 | h RWD | 3.5L | 22.2 | 84.0 |
| 2020 | Sedan 4D | 3.5L | 21.7 | 82.1 |
| 2020 | Sedan 4D AWD | 3.5L | 21.7 | 82.1 |
| 2020 | Sedan 4D F Sport | 3.5L | 21.7 | 82.1 |
| 2020 | Sedan 4D F Sport AWD | 3.5L | 21.7 | 82.1 |
| 2020 | Sedan 4D Inspiration | 3.5L | 21.7 | 82.1 |
| 2020 | Sedan 4D Inspiration AWD | 3.5L | 21.7 | 82.1 |
| 2020 | Sedan 4D h AWD Hybrid | 3.5L | 22.2 | 84.0 |
| 2020 | Sedan 4D h Hybrid | 3.5L | 22.2 | 84.0 |
| 2019 | AWD | 3.5L | 21.7 | 82.1 |
| 2019 | RWD | 3.5L | 21.7 | 82.1 |
| 2019 | F SPORT AWD | 3.5L | 21.7 | 82.1 |
| 2019 | F SPORT RWD | 3.5L | 21.7 | 82.1 |
| 2019 | h AWD | 3.5L | 22.2 | 84.0 |
| 2019 | h RWD | 3.5L | 22.2 | 84.0 |
| 2019 | Sedan 4D | 3.5L | 21.7 | 82.1 |
| 2019 | Sedan 4D AWD | 3.5L | 21.7 | 82.1 |
| 2019 | Sedan 4D F Sport | 3.5L | 21.7 | 82.1 |
| 2019 | Sedan 4D F Sport AWD | 3.5L | 21.7 | 82.1 |
| 2019 | Sedan 4D h AWD Hybrid | 3.5L | 22.2 | 84.0 |
| 2019 | Sedan 4D h Hybrid | 3.5L | 22.2 | 84.0 |
| Year | Trim | Engine | Gallons | Liters |
|---|---|---|---|---|
| 2018 | Sedan 4D | 3.5L | 21.7 | 82.1 |
| 2018 | Sedan 4D AWD | 3.5L | 21.7 | 82.1 |
| 2018 | Sedan 4D F Sport | 3.5L | 21.7 | 82.1 |
| 2018 | Sedan 4D F Sport AWD | 3.5L | 21.7 | 82.1 |
| 2018 | Sedan 4D h AWD Hybrid | 3.5L | 22.2 | 84.0 |
| 2018 | Sedan 4D h Hybrid | 3.5L | 22.2 | 84.0 |
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Also, you can consult the vehicle's owner's manual.