Is there any benefit to treating a new car? 

Yes. It is also recommended for new cars.

It is well received by people who are concerned about the distinctive smell of a new car or odors originating from interior materials and adhesives.

In addition, treating the vehicle while the interior is still clean helps create an environment where odor-causing substances and microorganisms are less likely to adhere and accumulate, making it easier to maintain a clean and comfortable interior for a longer time.