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    Premium gas for 2017 Hyndai Sonata 2.0 Turbo GDI??

    Hello experts. Just bought a 2017 Hyundai Sonata 2.0 Turbo GDI. I'm not sure of the engine compression (owners manual doesn't even have it... grrr..), but I think it may be 10:1 based on a dealer website - again, not confirmed though. Manual states 87 octane or higher fuel. Would I benefit...
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    2017 Hyundai Sonata 2.0T - First Oil Change

    Wow, thanks for all of the responses. The manual is weak. Like everyone says, what does "A5 and above" really mean? A lower number? A higher number? Also re: 5w30 vs. 5w40... the chart says 5w40 is ok, but then the oil cap specifically says 5w30. While my brain is telling me to use 5w40...
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    2017 Hyundai Sonata 2.0T - First Oil Change

    Hello experts. Just purchased a 2017 Hyundai Sonata 2.0 Turbo. Looking ahead to the first oil change at 1,000 to 1,500 miles, and am looking for advice on oil type and favorites. The oil cap says 5w-30, but I am thinking I'd like to use 5w-40 (no, I don't live in a hot climate - Seattle - but...
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