▁( 1 9 6 6 – 1 9 6 7 ) ▁ ▁The ▁C ut lass ▁Supreme ▁name ▁first ▁appeared ▁for ▁the ▁ 1 9 6 6 ▁model ▁year , ▁the ▁first ▁year ▁of ▁G M ' s ▁new ▁intermediate ▁four - door ▁hard top ▁sedan — also ▁known ▁as ▁the ▁Hol iday ▁Sed an . ▁In ▁addition ▁to ▁the ▁new ▁body ▁style ▁( also ▁available ▁on ▁the ▁mid line ▁F - 8 5 ▁Del ux e ▁series ), ▁the ▁Supreme ▁featured ▁a ▁pl ush er ▁interior ▁that ▁included ▁a ▁ben ch ▁seat ▁with ▁arm rest , ▁full ▁wheel ▁covers ▁and ▁del ux e ▁door ▁pan els ▁among ▁other ▁items ▁including ▁" CS " ▁em blem s ▁on ▁the ▁rear ▁C - p ill ars ▁and ▁tr unk ▁lid . ▁Although ▁smaller ▁than ▁the ▁traditional ▁domestic ▁cars , ▁" its ▁del ux e ▁interior ▁makes ▁it ▁compar able ▁with ▁L TD , ▁VI P , ▁D PL , ▁and ▁Cap rice ." ▁▁ ▁For ▁the ▁ 1 9 6 7 ▁model ▁year , ▁the ▁C ut lass ▁Supreme ▁line ▁was ▁expanded ▁into ▁a ▁full ▁series ▁that ▁also ▁included ▁a ▁two - door ▁hard top ▁cou pe ▁( H olid ay ▁Coupe ), ▁two - door ▁p illa red ▁cou pe ▁( S port ▁Coupe ), ▁four - door ▁p illa red ▁sedan ▁( T own ▁Sed an ) ▁and ▁a ▁convert ible . ▁Gener ally , ▁interior ▁appoint ments ▁in ▁Supreme ▁models ▁were ▁more ▁lux ur ious ▁than ▁less er ▁F - 8