1983 SALES OPTION BUICK Y5O OPTION RIVIER A SPORTY T TYPE MODEL EY15 7 OPTIONS YSO RIVIERA S P1DHlT Y T TYPE BC3 PANEL INSTR DLX BW1 ORNAMENTATION RR END EXTR BX1 ORNAMENT FRT END SPL EXTR B94 EMBLEM BODY VAR 1 D88 STRIPE HOOD DECK LID F41 SUSPENSION SPL H D FRT RR LC8 ENGINE 231 C I D VG N3O WHEEL STRG DLX PG5 WHEEL 15 X 6 CAST ALUMINUM TL1 GRILLE SPL T52 ORNAMENT FRT FDR T 1991 GENERAL MOTORS SERVTCE PARTS OPERATIONS BUICK 44W 6 91 27