Lexus GX Gas Tank Size and Capacity by Year
21.1gal · 80 L
Across 3 model years (2024–2026), the Lexus GX has used tanks from 21.1 gallons. The 2026 model holds 21.1 gallons.
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How the tank changed over the years
Lexus GX tank size by year
| Year | Tank | Liters | Best highway range | Trims |
|---|---|---|---|---|
| 2026 Lexus GX | 21.1 gallons | 80 L | 443 mi | 6 |
| 2025 Lexus GX | 21.1 gallons | 80 L | 443 mi | 6 |
| 2024 Lexus GX | 21.1 gallons | 80 L | 443 mi | 6 |
Frequently asked questions
What size gas tank does the Lexus GX have?
The 2026 Lexus GX holds 21.1 gallons. Older years range from 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.