3 ▁sold . ▁ ▁In ▁ 1 9 5 1 ▁Sup ers ▁had ▁larger ▁bodies ▁than ▁Spe ci als ▁but ▁looked ▁similar ▁with ▁three ▁rounded ▁V enti Port s ▁per ▁f ender , ▁broad ▁bright ▁f ender ▁shield s ▁and ▁a ▁full ▁length ▁" S we eps pe ar " ▁chrome ▁body ▁side ▁m old ing . ▁This ▁chrome - pl ated ▁strip ▁started ▁above ▁the ▁front ▁wheel , ▁after ▁which ▁it ▁g ently ▁cur ved ▁down ▁nearly ▁to ▁the ▁ro cker ▁panel ▁just ▁before ▁the ▁rear ▁wheel , ▁and ▁then ▁cur ved ▁around ▁the ▁rear ▁wheel ▁in ▁a ▁quarter ▁of ▁a ▁circle ▁to ▁go ▁straight ▁back ▁to ▁the ▁ta ill ight . ▁ ▁Series ▁script ▁was ▁found ▁on ▁the ▁deck ▁lid ▁and ▁within ▁the ▁ste ering ▁wheel ▁center . ▁The ▁long ▁wheel base ▁sedan ▁was ▁named ▁the ▁Riv iera ▁sedan ▁although ▁it ▁was ▁not ▁a ▁hard top . ▁Sup ers ▁were ▁trim med ▁with ▁materials ▁similar ▁to ▁Special ▁Del ux es ▁except ▁for ▁in ▁the ▁pl ush ▁Super ▁Riv iera ▁sedan . ▁Front ▁turn ▁signals ▁were ▁within ▁the ▁b um per ▁guard ▁" b omb s ," ▁while ▁rear ▁signals ▁shared ▁the ▁stop ▁l amps ' ▁housing ▁on ▁the ▁rear ▁f ender ▁edges . ▁The ▁convert ibles ▁and ▁Est ate ▁w agon ▁were ▁trim med ▁in ▁le ather . ▁ 1 6 9 , 2 2 6 ▁Sup ers ▁were ▁sold . ▁ ▁In ▁ 1 9 5 2 ▁Bu ick ' s ▁mid - pr iced ▁line ▁res emble d ▁the