speed ▁dual - cl utch ▁transmission ▁also ▁contains ▁the ▁differential ▁for ▁the ▁car ' s ▁all - w heel ▁drive ▁( A WD ) ▁system . ▁Much ▁of ▁the ▁dual - cl utch ▁system ▁was ▁engine ered ▁by ▁Borg W ar ner , ▁partner ed ▁with ▁N iss an ' s ▁g ear box ▁supp lier ▁A ichi ▁Machine ▁Indust ry , ▁and ▁we igh s ▁a ▁total ▁installed ▁mass ▁of ▁. ▁Code ▁named ▁the ▁GR 6 , ▁the ▁transmission ▁is ▁quite ▁dur able ▁in ▁that ▁it ▁is ▁able ▁to ▁hold ▁in ▁excess ▁of ▁ ▁of ▁tor que . ▁N iss an ▁reports ▁shift ▁times ▁of ▁ 1 5 0   mill iseconds . ▁ ▁P SA ▁Pe uge ot ▁Cit ro ën ▁P SA ▁has ▁a ▁dual - cl utch ▁transmission , ▁produced ▁by ▁Get rag , ▁in ▁its ▁Pe uge ot ▁ 4 0 0 7 ▁and ▁Cit ro ën ▁C - C ros ser ▁SU V s , ▁both ▁based ▁on ▁the ▁M its ub ishi ▁Out land er . ▁However , ▁dual - cl utch ▁transm issions ▁are ▁never ▁offered ▁in ▁other ▁models . ▁ ▁Por sche ▁( V W ▁GROUP ) ▁ ▁Por sche ▁AG ▁offers ▁a ▁series ▁production ▁of ▁two ▁new ▁longitud in ally ▁installed ▁" 7 DT " ▁wet - cl utch ▁versions ▁of ▁its ▁previously ▁race - only ▁Por sche ▁Do ppel ku pp l ungs get rie be ▁( P DK ) ▁transmission , ▁built ▁by ▁Z F ▁Friedrich sh afen ▁AG . ▁