According to Adzrai Aziz, the ideal substitute with the CVT transmission for that duo would have been a six-speed automatic transmission, which they looked into, but Price and advancement time constraints produced them persist with the CVT eventually.  Gearbox 4AT Aisin adalah transmisi automatik 4-kelajuan yang digunakan dalam versi Proton https://gearboxcvtproton20627.blogs100.com/34949092/helping-the-others-realize-the-advantages-of-gearbox-cvt-proton