Lexus LS Gas Tank Size and Capacity by Year
21.7–22.2gal · 82–84 L
Across 3 model years (2024–2026), the Lexus LS has used tanks from 21.7–22.2 gallons. The 2026 model holds 21.7 gallons.
Pick your model year
How the tank changed over the years
Lexus LS tank size by generation
Model years with the same tank sizes, grouped. A change usually marks a new generation or a redesign.
Lexus LS tank size by year
| Year | Tank | Liters | Best highway range | Trims |
|---|---|---|---|---|
| 2026 Lexus LS | 21.7 gallons | 82 L | 586 mi | 1 |
| 2025 Lexus LS | 21.7–22.2 gallons | 82–84 L | 644 mi | 5 |
| 2024 Lexus LS | 21.7–22.2 gallons | 82–84 L | 644 mi | 5 |
Frequently asked questions
What size gas tank does the Lexus LS have?
The 2026 Lexus LS holds 21.7 gallons. Older years range from 21.7–22.2 gallons; the table has every year.
Has the tank size changed over the years?
Yes. The largest tank changed in 2026.