Still it is cheapest in its segment. Whether new generation is launched in 2018 or 2019, resale of current city is not going to be much affected at all because of high demand in this price range. Only the resale of car having some major problem in its exterior/engine will be affected. But if you want to switch over to corolla, earn some own, include this amount and book a corolla. Although, you will have to wait for a while but you definitely will be getting a more premium and market oriented car.