Why does the Audi A8 have a quattro all-wheel drive?

I have noticed that the Audi A8 has a quattro all-wheel drive system. What is the reason for this and how does it benefit the car?

The Audi A8 is equipped with a quattro all-wheel drive system for improved traction, stability, and handling in all driving conditions. With power being distributed to all four wheels, this feature enhances the car's performance and control on various road surfaces.

Having a quattro all-wheel drive system in the Audi A8 allows for better driving dynamics and cornering capabilities. This feature works to evenly distribute power to the wheels, providing a more balanced and responsive driving experience.