Very unlikely for Naza to introduce turbo engine for 1.6 K3 sedan facelift (if any in future) as that would increase the  cost significantly and priced it beyond what people are willing to pay for an everyday/general use C-segment car. The Koup however is different as it caters to a specific segment of performance car, call it Fast and Furious generation if you'd like.

Personally, and from a sales perspective, I 'd like to see Naza bringing in a different version of the Rio Sedan (also known as K2 in China). This B-segment model would then be able to compete head on with City and Vios for market share, if priced competitively.