Lexus LX Gas Tank Size & Fuel Capacity by Year
17.9–21.1gal · 68–80 L
Across 3 model years (2024–2026), the Lexus LX has used tanks from 17.9–21.1 gallons. The 2026 model holds 17.9–21.1 gallons.
Pick your model year
How the tank changed over the years
Lexus LX tank size by generation
Model years with the same tank sizes, grouped. A change usually marks a new generation or a redesign.
Lexus LX tank size by year
| Year | Tank | Liters | Best highway range | Trims |
|---|---|---|---|---|
| 2026 Lexus LX | 17.9–21.1 gallons | 68–80 L | 464 mi | 7 |
| 2025 Lexus LX | 17.9–21.1 gallons | 68–80 L | 464 mi | 7 |
| 2024 Lexus LX | 21.1 gallons | 80 L | 464 mi | 5 |
Frequently asked questions
What size gas tank does the Lexus LX have?
The 2026 Lexus LX holds 17.9–21.1 gallons. Older years range from 17.9–21.1 gallons; the table has every year.
Has the tank size changed over the years?
Not in the years we list. The largest tank has stayed at 21.1 gallons.