This formula returns the intended result in my sample sheet. I understand that you have access to FILTER and UNIQUE formulas.
=SUM(INDEX(UNIQUE(FILTER(D2:E18,C2:C18=2022)),,2))
+SUM(INDEX(UNIQUE(FILTER(D2:E18,(C2:C18<>2022)*
(ISNUMBER(SEARCH("Saab",A2:A18))+ISNUMBER(SEARCH("White",B2:B18))))),,2))