Well survey the market and then make your own assessment.
I came across these ads yesterday as a friend is also looking to buy 1.6 and he shared these prices with me
2017 Altis 1.6
12k driven
Super white color
Untouch body
Demand 27.25
1.6 altis 2018 27 lakhs 40k
27 lakh 40, a 2018 model FL for isb regd in white