Octane curiosity

[19GT-AWD]

View attachment 31374

That's straight from the owners manual in an Australian delivered car.

The fuel filler door does then say RON95 ... I am conflicted on what to use ...

The key wording difference between the two owners manuals is "designed to use" and "for the optimal engine performance."

The first appears to discuss minimal octane requirements, while the second suggests what is available with higher octane.

When presented with less than clear instructions, the only real solution is to use the highest octane available with the most fuel cleaning properties.

Not much else we can do otherwise ...

 

[NismoDPB]

It's pretty common for Kia user manuals to have discrepancies and misprint I have come to find. My manual literally has a sticker over the fuel requirements section likely due to an inaccuracy.

If in doubt you can check the published specifications on Kia's website for your country as well.

 

[Manaz]

Screenshot from the PDF available on the Kia Australia website.



Regular unleaded is RON91 in Australia.

The ** beside it refers to "E10 compatible" further into the brochure.