What are the key differences between Audi A6 and A8?

I am considering purchasing a luxury Audi car, but I'm not sure which model is best for me. Can someone highlight the main distinctions between the A6 and A8 models? What sets them apart in terms of performance, features, and design?

The Audi A6 and A8 are both excellent options for a luxury car, but they do have some notable differences. The A6 is generally seen as the more practical choice, with a smaller size and better fuel efficiency. However, the A8 offers a smoother and more powerful driving experience, as well as a more luxurious interior design. In the end, it depends on your personal preferences and priorities.