The looks and performance of both the variants are the same. The only difference one will see is in prices and features, Sportz variant has a navigation system, adjustable steering, rear camera, fog lights, etc. You can click on the following to check the complete comparison of both the variants - Comparision.
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.