What gas does the 2005 Mitsubishi Diamante take?

The EPA rates every 2005 Mitsubishi Diamante engine on premium gasoline - Mitsubishi recommends or requires premium, and the label inside the fuel door says which.

Key takeaways

  • 1 EPA-certified configuration listed for the 2005 Mitsubishi Diamante.
  • 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.
2005 Mitsubishi Diamante: every EPA-listed configuration
EngineTransmissionDriveRated fuelE85
3.5L 6-cylinder4-speed automaticFWDpremium 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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