Supertech dex 6 is an every day value. Just as good as any name brand. Pretty much all the same if it's licensed using the name, some small differences in base oils but all semi synthetic + iirc.
2002 Buick Century 118k - Built 4T65e - M1 0w40 /Fram Ultra XG 3387A
1998 Nissan Altima 335k - 5MT - M1 HM 5w30/Fram Ultra XG7317