Why does the Audi A7 have a stop-start system?

I've noticed that my Audi A7 has a stop-start system that shuts off the engine when I come to a stop, and I'm wondering why. Is it just for fuel efficiency or are there other reasons for this feature?

The stop-start system in the Audi A7 is primarily designed for improving fuel efficiency. By shutting off the engine when idling or stopped, it saves fuel that would otherwise be wasted. However, it also has the added benefit of reducing emissions and minimizing wear and tear on the engine.

In addition to fuel efficiency, the stop-start system in the Audi A7 can also improve drivability and reduce noise and vibration in the cabin. It allows for a smoother and quieter ride, especially in stop-and-go traffic.

The stop-start system in the Audi A7 is no longer just a feature for fuel-efficient models. With the push for more eco-friendly vehicles, this system has become standard in many cars. Its use may take some getting used to, but it ultimately benefits both the environment and the driver's wallet.