What is the advantage of the quattro AWD system in the Audi A6?

I've heard that the Audi A6 comes with a quattro AWD system. Can someone explain the benefits of having this feature in a luxury sedan?

The quattro AWD system in the Audi A6 provides better traction and handling in all types of weather conditions. This is especially useful for those who live in areas with snow and ice.

With the quattro AWD system, you'll also experience improved acceleration and cornering, making for a more responsive and dynamic driving experience.

Another advantage of the quattro AWD system is that it helps to distribute power evenly to all four wheels, resulting in better grip and stability on the road.