▁The ▁Light ▁Six ▁was ▁an ▁immediate ▁sale ▁success , ▁sur pass ing ▁all ▁previous ▁V aux hall ▁products ▁by ▁a ▁large ▁margin ▁with ▁ 2 6 , 0 0 0 ▁examples ▁being ▁sold ▁in ▁just ▁over ▁ 1 2 ▁months ▁and ▁with ▁the ▁L ut on ▁factory ▁moving ▁onto ▁ 2 4 - hour ▁shift ▁work ▁to ▁meet ▁demand . ▁V aux hall ▁had ▁suddenly ▁become ▁a ▁significant ▁player ▁in ▁the ▁British ▁car ▁market . ▁ ▁After ▁ 1 5 ▁months ▁on ▁sale ▁the ▁AS - type ▁Light ▁Six ▁was ▁replaced ▁by ▁the ▁D - type ▁Light ▁Six . ▁This ▁was ▁fund ament ally ▁the ▁same ▁as ▁the ▁out going ▁model ▁with ▁minor ▁sty ling ▁and ▁interior ▁updates , ▁but ▁with ▁one ▁major ▁engineering ▁change ▁- ▁namely ▁the ▁addition ▁of ▁Dub on net ▁susp ension ▁to ▁the ▁front , ▁making ▁the ▁new ▁Light ▁Six ▁the ▁first ▁mass - production ▁British ▁sal oon ▁car ▁with ▁independent ▁front ▁susp ension . ▁The ▁Dub on net ▁system ▁was ▁a ▁G M ▁pat ent , ▁also ▁used ▁on ▁Che v ro let ▁and ▁Pont iac ▁models ▁in ▁the ▁USA ▁and ▁on ▁Op el ▁cars ▁in ▁Europe . ▁The ▁D - type ▁Light ▁Six ▁was ▁pr iced ▁at ▁between ▁£ 2 0 5 ▁and ▁£ 2 4 5 ▁for ▁the ▁standard ▁sal oon ▁depending ▁on ▁the ▁exact ▁specification , ▁which ▁was ▁still ▁a ▁lower - than - aver age ▁price ▁for ▁a ▁car ▁of ▁the ▁new ▁Light ▁Six ' s ▁size , ▁power , ▁equipment ▁and ▁technical ▁specification