PQIA is a fantastic resource and I appreciate all their efforts. Does anyone know if blends have ever been compared side by side? Curious
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Hyundai
14 Sonata 2.4 GDi ----------- QSAD 5w20
13 Santa Fe Sp 2.0T TGDi ----QSUD 5w30
Both: OEM oil fltr / 5k ml oci