This car from Fiat was launched a few years ago. My personal experience after driving it for 3 months has been that it is not the best in the Indian market today. Let me tell you what I feel about this car.
I had a Maruti Esteem prior to this. This Siena runs on diesel fuel, which makes the engine noisy. Now diesel engines are supposed to make noise; Sienas engine is VERY VERY noisy. The company should fix this, else I will always feel I am riding in a public bus.
The shape of the car is not design with the driver in mind. Especially the front of the car. It obstructs the view and definitely is a hindrance while maneuvering.
Airconditioner is fine. The acceleration is not too great. The leg room in the back is congested and driver and passenger seats are also not too comfortable.
For 615000 (about $15, 000) I can get better cars in India.
Avoid this car.