▁finish ▁and ▁final ▁pol ishing . ▁The ▁main ▁aim ▁of ▁using ▁the ▁material ▁was ▁to ▁keep ▁the ▁weight ▁low ▁due ▁to ▁the ▁added ▁lux ury ▁components ▁in ▁the ▁car . ▁ ▁The ▁interior ▁included ▁elements ▁borrow ed ▁from ▁other ▁A ston ▁Martin ▁models , ▁mainly ▁the ▁Rap ide , ▁and ▁features ▁console - mount ed ▁push - button ▁transmission ▁controls , ▁inf ot ain ment ▁system , ▁ 1 , 0 0 0 - w att ▁Bang ▁& ▁Ol uf sen ▁Be o Sound ▁audio ▁system ▁and ▁prem ium ▁quality ▁le ather ▁u ph ol st ery . ▁The ▁interior ▁had ▁various ▁choices ▁of ▁tr ims , ▁r anging ▁from ▁a ▁variety ▁of ▁woods ▁to ▁carbon ▁fib re . ▁A ▁long ▁wheel base ▁gave ▁increased ▁leg room ▁for ▁rear ▁seat ▁passengers . ▁ ▁The ▁Tar af ▁has ▁a ▁claimed ▁ ▁acceleration ▁time ▁of ▁ 4 . 4 ▁seconds ▁and ▁a ▁maximum ▁speed ▁of ▁. ▁ ▁Production ▁Top ▁G ear ▁reported ▁that ▁the ▁Tar af ▁was ▁under going ▁hot ▁weather ▁testing ▁in ▁O man ▁in ▁September ▁ 2 0 1 4 . ▁The ▁car ▁was ▁put ▁through ▁ ▁of ▁testing ▁in ▁four ▁weeks ▁in ▁temper atures ▁r anging ▁between ▁ 3 0 – 5 0   ° C ▁in ▁order ▁to ▁test ▁the ▁air - condition ing ▁system , ▁the ▁driv et rain ▁and ▁the ▁interior ▁trim . ▁The ▁car ▁was ▁subsequently ▁un ve iled ▁at ▁the ▁ 2 0 1 4 ▁Gene va ▁Motor ▁Show . ▁ ▁The ▁car ▁comm enced ▁production ▁in