C3 is the 3rd gen (current), 2016+ according to https://en.wikipedia.org/wiki/Citro%C3%ABn_C3#Third_generation_(SX/SY;_2016)
but it may be the 2020 restyled version too, no idea how to recognize it

The Corsa is the F generation (current), 2019+ according to https://en.wikipedia.org/wiki/Opel_Corsa#Corsa_F_(2019)