If you are looking for a budget drivers MPV car, then Xl6 is the best choice. It is feature loaded with adequate space wheras if you are looking for a driver's car, then you may feel the power delivery is not very good and has not punchy engine.
The suspension is stiff and you dont feel uncomfortable. It offers you apple Carplay and android auto for your assistance in driving.
The XL6 is a big step from ertiga and looks no similar to the eritga because of the body cladding all over the body and the revised lighting all over the car.
As it is a Maruti, Its service cost and mainantance is very low and is affordable.
Has all neccesary safety features
No punchy engine
Interior looks outdated