The claimed warranty of Tata Tigor XZ plus is 2 yr/75,000 km. Moreover, we'd suggest you walk into the nearest authorized service centre as they will be the better person to assist you. You can click on the following link to see the details of the nearest service centre and selecting your city accordingly - Service centre
There is an ample number of features which make the XZ variant worth buying. Being the base variant, the Tigor XE lacks many features. For a detailed comparison, follow the below link - Compare. Moreover, you may have a test drive of the car 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.