▁of ▁the ▁German ▁Volks wagen ▁Group , ▁though ▁this ▁is ▁anticip ated ▁to ▁change ▁as ▁other ▁transmission ▁mak ers ▁and ▁vehicle ▁manufact ur ers ▁make ▁D CT s ▁available ▁in ▁series ▁production ▁autom ob iles . ▁In ▁ 2 0 1 0 , ▁on ▁B MW ▁Canada ' s ▁website ▁for ▁the ▁ 3 ▁Series ▁Coupe , ▁it ▁is ▁described ▁both ▁as ▁a ▁seven - speed ▁double - cl utch ▁transmission ▁and ▁as ▁a ▁seven - speed ▁automatic ▁transmission . ▁It ▁is ▁a ▁dual - cl utch ▁automatic . ▁ ▁Over view ▁In ▁D CT s ▁where ▁the ▁two ▁cl ut ches ▁are ▁arranged ▁concentr ically , ▁the ▁larger ▁outer ▁cl utch ▁drives ▁the ▁even - number ed ▁g ears ▁and ▁the ▁smaller ▁inner ▁cl utch ▁drives ▁the ▁odd - number ed ▁g ears . ▁Sh ifts ▁can ▁be ▁accomplished ▁without ▁interrupt ing ▁tor que ▁distribution ▁to ▁the ▁driven ▁road w he els , ▁by ▁applying ▁the ▁engine ' s ▁tor que ▁to ▁one ▁cl utch ▁at ▁the ▁same ▁time ▁as ▁it ▁is ▁being ▁dis connected ▁from ▁the ▁other ▁cl utch . ▁Since ▁alternate ▁g ear ▁r ati os ▁can ▁pr ese lect ▁an ▁odd ▁g ear ▁on ▁one ▁g ear ▁sh aft ▁while ▁the ▁vehicle ▁is ▁being ▁driven ▁in ▁an ▁even ▁g ear ▁( and ▁vice ▁vers a ), ▁D CT s ▁are ▁the ▁fast est - sh ifting ▁road ▁car ▁transmission ▁available ▁and ▁are ▁able ▁to ▁shift ▁faster ▁than ▁a ▁professional ▁racing ▁driver ▁using ▁a ▁manual ▁transmission . ▁D CT s