What gas does the 2021 Jeep Gladiator take?

It depends on the engine: diesel for the 3.0L 6-cylinder turbo diesel; regular gasoline for the 3.6L 6-cylinder.

Key takeaways

  • 3 EPA-certified configurations listed for the 2021 Jeep Gladiator.
  • Regular gasoline is what the EPA rated it on - paying for premium buys nothing unless the manual asks for it.
  • None of the listed engines is flex-fuel, so do not use E85.
2021 Jeep Gladiator: every EPA-listed configuration
EngineTransmissionDriveRated fuelE85
3.0L 6-cylinder turbo diesel8-speed automatic4WDdieselNo
3.6L 6-cylinder8-speed automatic4WDregular gasolineNo
3.6L 6-cylinder6-speed manual4WDregular 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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