Per the manufacturer, it varies per motor. For the best fuel economy, 5W-30 is recommended. Direct link to the owners manual can be found here. https://owners.hyundaiusa.com/content/dam/hyundai/us/myhyundai/glovebox-manual/2018/santa-fe-sport/2018_Hyundai_SantaFe_Sport_OM.pdf
The weight of the oil to use will be in the oil cap ad. Owners manual as well. I do k ow with the sport you need to use full synthetic oil.
I use 5W-30. I have my oil changed by Ricart. They do a overall check on my car. It gives me a lot of confort to know that everything is good.
Semi synthetic blend, 5w-20
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