Quote:
Originally Posted by Fredman
No, it reads that the Santa Fe is not suitable for e15 gasoline because it could damage your engine
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Interesting. Seems true for 3rd gen (earlier than 2018) but 4th gen 2018-present it seems acceptable (but obviously not the best):
From 2021 Santa Fe manual page 1-5:
Gasoline containing alcohol and methanol
Gasohol, a mixture of gasoline and ethanol (also known as grain alcohol) are being
marketed along with or instead of leaded or unleaded gasoline.
For example, “E15” is a
gasohol comprised of 15% ethanol and 85% gasoline.
Do not use gasohol containing more than 15% ethanol, and do not use gasoline or
gasohol containing any methanol.
All the engines available in the Hyundai Santa Fe lineup can run on regular 87 octane. Ethanol is only allowed up to 10% in all generations except for the fourth-gen (2018-present), which allows up to 15% ethanol by volume. MMT and methanol are not allowed at all. Regarding fuel additives, Hyundai recommends the TOP TIER Detergent Gasoline.
The Types Of Gas A Hyundai Santa Fe Takes (Explained) - The Driver Adviser.