The Maruti is providing follows accessories for all the variant of Maruti SX4 like:
Sunfilm (Side + Rear)
Leather Seats (beige)
MGA reverse parking sensor
The company takes extra charges for them if you want to fit in base variant but top variant already has loaded with these features.
For more information about Maruti SX4 please open the given link.
Yes, you can fix the reverse camera in Maruti SuzukiSx4. However, it recommended that you must buy and install the camera from the Authorised Maruti Suzuki dealer. To track the nearest Maruti Suzuki dealer please visit the link below:
It depends on the usage and maintenance, we have seen that people having cars for more than a century and having cars that have done 16 lakh Kms. So, if you maintain your car and drive it safely, you can have it with you for a lifetime.