stra ▁from ▁ 1 9 9 1 ▁on wards ▁and ▁the ▁V aux hall ▁Nova ▁and ▁Op el ▁C ors a ▁were ▁both ▁called ▁C ors a ▁from ▁ 1 9 9 3 . ▁The ▁change ▁was ▁completed ▁in ▁ 1 9 9 5 ▁when ▁the ▁V aux hall ▁Caval ier ▁M k ▁ 3 ▁( Op el ▁V ect ra ▁A ) ▁was ▁replaced ▁by ▁the ▁Op el ▁V ect ra ▁B , ▁called ▁V aux hall ▁V ect ra . ▁A part ▁from ▁the ▁V X 2 2 0 , ▁sold ▁by ▁Op el ▁as ▁the ▁Speed ster , ▁all ▁of ▁V aux hall ' s ▁subsequent ▁models ▁have ▁had ▁the ▁same ▁names ▁as ▁those ▁of ▁Op el . ▁However , ▁the ▁ 2 0 1 5 ▁V iva ▁rev ives ▁earlier ▁practice ▁due ▁to ▁its ▁Op el ▁equivalent , ▁the ▁Karl , ▁intention ally ▁inv oking ▁Karl ▁Op el , ▁the ▁second ▁propriet or ▁of ▁the ▁Op el ▁business . ▁Despite ▁this , ▁the ▁Adam , ▁named ▁after ▁his ▁father ▁and ▁the ▁founder ▁of ▁the ▁company , ▁is ▁sold ▁in ▁Britain ▁without ▁a ▁name ▁change , ▁potentially ▁as ▁it ▁appears ▁less ▁over t ly ▁German . ▁ ▁From ▁ 1 9 9 4 , ▁V aux hall ▁models ▁differ ed ▁from ▁Op els ▁in ▁their ▁distinct ive ▁gr ille ▁– ▁featuring ▁a ▁" V ", ▁incorpor ating ▁the ▁V aux hall ▁bad ge . ▁This ▁was ▁also ▁used ▁by ▁Hold en ▁in ▁New ▁Zealand ▁on ▁both ▁the ▁A stra ▁and