In the current generation of cars, we would suggest choosing the Hyundai Creta over the Kia Seltos. The Creta has a flatter rear seat, making it a better five-seater, and its softer ride quality is noticeably more comfortable than the Kia Seltos. Since most of your driving is in the city with the occasional highway trip, we recommend the iVT or CVT automatic as it will make traffic driving much easier while still offering enough power for highway use. The turbo petrol with the DCT is more powerful, but it is less efficient and not as smooth as the CVT.
You also mentioned that you are willing to wait for a month or two, which makes sense as the new Seltos is right around the corner. We suggest checking what this new Kia car has to offer before making your final decision. 
