Hi Ashish,
Honda City is one of the cars with lowest in class Noise Vibrations and Harshness(NVH) levels. It is designed for maximum comfort and performance. The cockpit is very quit even if the car is well over 140Kmph. The petrol itself is very quit and the diesel motor can only be heard if you are outside the car.
Hey, it is great that you wish to buy a new car and we are happy to be a part of your new car purchase. It is hard to pick one out of the cars that you have selected. If you wish to go for the best automatic transmission, you should choose, Volkswagen Vento, it comes equipped with a DSG which is the best among all the options. Volkswagen is high on maintenance though. If you wish to go for a car which is decently powered and also offers good amount of features and is easy to maintain. Go for Honda City. Click here to check out the comparison.
Certainly, you can get your car modified as per your choice. Coming to the front grill, you can replace it with the different grill. For that, we suggest you to get in touch with the authorized service centre as they will be the best people to suggest you few compatible grills to choose from.
Click here to find the Honda service stations by selceting your city in the drop down list.