". ▁Most ▁of ▁the ▁Op el ▁range ▁was ▁dis cont in ued ▁in ▁the ▁United ▁Kingdom ▁in ▁favour ▁of ▁their ▁V aux hall ▁bad ged ▁equival ents . ▁ ▁Op el ▁was ▁instead ▁re position ed ▁as ▁a ▁performance - l ux ury ▁brand ▁– ▁the ▁Op el ▁M anta ▁coup é ▁remained , ▁whilst ▁the ▁V aux hall ▁Roy ale ▁was ▁replaced ▁in ▁the ▁line - up ▁by ▁its ▁Op el ▁equivalent ▁( the ▁Senator / Mon za ). ▁ ▁However , ▁this ▁strategy ▁was ▁gradually ▁abandoned ▁– ▁the ▁Senator ▁revert ed ▁to ▁being ▁bad ged ▁as ▁a ▁V aux hall ▁for ▁the ▁ 1 9 8 5 ▁model ▁year , ▁and ▁the ▁Op el ▁Mon za ▁disappeared ▁at ▁the ▁end ▁of ▁ 1 9 8 7 , ▁whilst ▁the ▁M anta ▁was ▁with dra wn ▁in ▁ 1 9 8 8 . ▁ ▁Similarly , ▁the ▁V aux hall ▁brand ▁was ▁dropped ▁by ▁G M ▁in ▁Ireland ▁in ▁favour ▁of ▁the ▁German ▁brand ▁Op el . ▁Other ▁R HD ▁mark ets ▁such ▁as ▁Mal ta ▁and ▁Cy pr us ▁soon ▁following . ▁In ▁New ▁Zealand , ▁the ▁brand ▁was ▁with dra wn ▁in ▁favour ▁of ▁Hold en ▁after ▁the ▁dem ise ▁of ▁the ▁Che v ette . ▁G M ▁Europe ▁then ▁began ▁to ▁standard ise ▁model ▁names ▁across ▁both ▁br ands ▁in ▁the ▁early ▁ 1 9 9 0 s . ▁The ▁V aux hall ▁A stra ▁and ▁Op el ▁K ad ett , ▁for ▁example , ▁were ▁both ▁called ▁A