For additional fittings, we would suggest you walk into the nearest service centres as they will be better people to assist you. You can click on the following link to see the details of the nearest service centres and selecting your city accordingly - Service centre.
The Kia Seltos is offered with 16-17″ diameter, 6-6.5″ width tyre size. The variants above HTK+ are available with 17-inch alloys. If you are looking for more ground clearance and more features then you may select the higher variants. You may find better comfort and stable driving with the 17-inch alloy wheels. Moreover, you can have a test drive of the cars for a better idea of comfort and drive quality by visiting the nearest dealer in your city. You can click on the following link to see the details of the nearest dealership and selecting your city accordingly - Dealers.