For the availability, we would suggest you to please connect with the nearest authorized dealer in your city as it depends on their stock book. Follow the link and select your desired city for dealership details.
Maruti Swift Dzire Tour is priced from INR 6.51 - 7.36 Lakh (Ex-showroom Price in New Delhi). You may click on the given link and select your city accordingly for an estimated [on-road@https://www.cardekho.com/maruti/swift-dzire-tour/price-in-new-delhi
In general, the down payment remains in between 20-30% of the on-road price of the vehicle, and ROI varies between 9.25-11.5% and it totally depends on the CIBIL/Credit score of an individual. So, we'd suggest you walk into the nearest dealership to know the final finance quotation and documentation as they will be the better person to assist you. Follow the link and select your desired city for dealership details.