What gas does the 2021 Lexus RX take?

It depends on the engine: premium gasoline for the 3.5L 6-cylinder hybrid; regular gasoline for the 3.5L 6-cylinder.

Key takeaways

  • 3 EPA-certified configurations listed for the 2021 Lexus RX.
  • Rated on premium: if the owner's manual says premium required, use premium; if it says recommended, regular works with some loss of power and economy.
  • None of the listed engines is flex-fuel, so do not use E85.
2021 Lexus RX: every EPA-listed configuration
EngineTransmissionDriveRated fuelE85
3.5L 6-cylinder hybridCVT (continuously variable, 6 simulated steps)AWDpremium gasolineNo
3.5L 6-cylinder8-speed automaticAWDregular gasolineNo
3.5L 6-cylinder8-speed automaticFWDregular gasolineNo

Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov). Each row is one certified configuration; a trim or option not sold in a configuration is not listed.

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