nissan use JATCO which is their own transmission, proton use cheap china brand punch CVT which is wet clutch transmission and it still been updated. current version is VT2+. the old FLX/persona using VT1. original IRIZ using VT2, while saga VVT, persona VVT, MC1 IRIZ using VT2+. some people said the new one might use VT3 but its just rumors. recently some journalist said saga facelift might using 4AT from korea