Do the new model head lights fit on the older model of Maruti Suzuki Ciaz?

Yes, the new ciaz headlights can fit perfectly into the the older model ciaz. However the new headlights come at a price of around Rs 40,000 a pair if bought from the Maruti dealer (not all dealers are comfortable selling these as a spare. However depending on your relationship with a particular dealership/service advisor, they can sell this as a spare and you have to get this installed outside). I would advise that you look for similar headlights outside which would also be cheaper than the ones bought from a dealership.

For this, we would suggest you walk into the nearest service centres 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 centres and selecting your city accordingly - Service centre.