FuelFacts

Does the 2021 Toyota Avalon Hybrid need premium gas?

Every trim takes regular — no premium needed.

Trim (engine / transmission)FuelMPGFuel/yr
2.5L 4-cyl, AV-S6 automatic, FWDREGULAR43$1,450
The EPA records the fuel each version was tested on. Whether premium is strictly required or just recommended is an owner's-manual detail the EPA dataset doesn't include — so we don't guess it.

1 trim(s) · EPA FuelEconomy.gov · retrieved 2026-06-14.