2023 HYUNDAI TUCSON HYBRID octane

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HYUNDAI TUCSON HYBRID 2023  Owners Manual 01
1-5
Unleaded
Your new vehicle is designed to perform optimally with unleaded fuel having an octane 
number((R+M)/2) of 87 (Research Octane Number 91) or higher. (Do not use methanol 
blended fuels)