Lexus GX Fuel Tank Size by Year

Newest year we have: the 2026 Lexus GX manual lists 21.1 gal. Across 2010–2026 it changes by year and version, so check yours below. Each year links to its owner's manual page.

Most Lexus GX years we have list 21.1 gal (2024–2026); others list 23.0 gal (2010–2011). Some years list more than one, by engine or version: check yours below.

YearFuel tank sizeSource
2026 21.1 gal ≈ 79.9 L 2026 manual →
2025 21.1 gal ≈ 79.9 L 2025 manual →
2024 21.1 gal ≈ 79.9 L 2024 manual →
2011 23.0 gal ≈ 87.1 L 2011 manual →
2010 23.0 gal ≈ 87.1 L 2010 manual →

Years are the 2010–2026 model years we have the owner's manual for. Open a year to see every version and the page it's printed on.

Confirm with your own manual, dipstick or door-jamb label.
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