Starting this thread for news/rumors regarding the next gen Avanza

Toyota Avanza - Wikipedia

The all-new 2022 Toyota Avanza's W100 model code revealed, could shed light on next-gen Alza |WapCar

Without getting into the nitty gritty details, the forum post seemingly confirms the earlier rumours: the next-generation Toyota Avanza will be fitted with a naturally-aspirated 1.5-litre 2NR-VE petrol engine mated either to a CVT-type automatic or a five-speed manual transmission. These codes also revealed that a left-hand drive version of the next-gen Avanza is in the works as well.