Why does the Audi A7 have a 48-volt hybrid system?

I've noticed that the Audi A7 has a 48-volt hybrid system and I'm wondering what purpose it serves and if it's worth the extra cost. Can someone explain more about this feature?

The 48-volt hybrid system in the Audi A7 is actually a mild-hybrid system, which is designed to improve fuel efficiency and reduce emissions. It works by using an electric motor to assist the gasoline engine, especially during acceleration. This can result in improved performance and fuel savings over time.

In addition to saving fuel and reducing emissions, the 48-volt hybrid system also allows for smoother stop-start functionality and can power some of the car's electrical systems, such as the climate control, while the engine is off. It may seem like a small feature, but it can make a big difference in overall driving experience.

While the 48-volt hybrid system may add a bit to the cost of the Audi A7, it can also add value in terms of fuel savings and improved performance. It's definitely worth considering, especially if you do a lot of city driving where stop-and-go traffic can really benefit from this technology.