9 6 , ▁along ▁with ▁unique ▁trim ▁and ▁em blem s . ▁Up ▁until ▁approximately ▁the ▁start ▁of ▁December ▁ 1 9 6 6 ▁the ▁Be aum ont ▁Sport ▁Del ux e ▁package ▁was ▁an ▁option ▁available ▁on ▁a ▁Be aum ont ▁Custom , ▁option ▁A 5 1 . ▁After ▁the ▁start ▁of ▁December ▁ 1 9 6 6 ▁the ▁Sport ▁Del ux e ▁became ▁a ▁unique ▁model , ▁not ▁just ▁an ▁option ▁on ▁a ▁Custom . ▁When ▁the ▁SD ▁became ▁a ▁separate ▁model , ▁Str ato ▁bucket ▁seats ▁and ▁the ▁floor ▁console ▁became ▁an ▁option , ▁whereas ▁earlier ▁the ▁A 5 1 ▁option ▁package ▁included ▁those ▁items . ▁Many ▁collect ors ▁consider ▁the ▁Be aum ont ▁SD 3 9 6 ▁even ▁more ▁des irable ▁than ▁the ▁Che vel le ▁SS ▁ 3 9 6 , ▁since ▁it ▁is ▁far ▁more ▁rare . ▁ ▁Many ▁Ac ad ians ▁and ▁Be aum ont s ▁succ um bed ▁to ▁rough ▁Canadian ▁winter s , ▁suffering ▁from ▁rust ▁and ▁mechanical ▁wear ▁and ▁te ar , ▁leaving ▁very ▁few ▁original ▁spec im ens ▁left , ▁in ▁addition ▁to ▁ ▁much ▁lower ▁production ▁than ▁equivalent ▁Che vy ▁models . ▁ ▁An ▁equivalent ▁Ac ad ian , ▁the ▁C ans o ▁Sport ▁Del ux e , ▁was ▁offered ▁as ▁similar ▁package ▁equivalent ▁to ▁the ▁Che vy ▁II ▁Super ▁Sport , ▁which ▁included ▁the ▁same ▁Str ato - bucket ▁seats , ▁console , ▁and ▁floor ▁shift , ▁along ▁with ▁unique ▁SD ▁trim ▁and ▁em blem s . ▁ ▁Top ▁performance