Lexus RX Fuel Tank Size by Year

Newest year we have: the 2026 Lexus RX manual lists 17.8 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 RX years we have list 19.2 gal (2010–2022); others list 17.8 gal (2023–2026), 17.1 gal (2013). Some years list more than one, by engine or version: check yours below.

YearFuel tank sizeSource
2026 17.8 gal ≈ 67.4 L 2026 manual →
2025 17.8 gal ≈ 67.4 L 2025 manual →
2024 17.8 gal ≈ 67.4 L 2024 manual →
2023 17.8 gal ≈ 67.4 L 2023 manual →
2022 19.2 gal ≈ 72.7 L 2022 manual →
2021 19.2 gal ≈ 72.7 L 2021 manual →
2020 19.2 gal ≈ 72.7 L 2020 manual →
2019 19.2 gal ≈ 72.7 L 2019 manual →
2018 19.2 gal ≈ 72.7 L 2018 manual →
2017 19.2 gal ≈ 72.7 L 2017 manual →
2016 19.2 gal ≈ 72.7 L 2016 manual →
2015 19.2 gal ≈ 72.7 L 2015 manual →
2014 19.2 gal ≈ 72.7 L 2014 manual →
2013 19.2 gal ≈ 72.7 L RX35017.1 gal ≈ 64.7 L RX450h 2013 manual →
2012 19.2 gal ≈ 72.7 L 2012 manual →
2011 19.2 gal ≈ 72.7 L 2011 manual →
2010 19.2 gal ≈ 72.7 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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