What are the most important features to consider when selecting an Audi A8 model?

I am interested in purchasing an Audi A8, but I am not sure which model will best suit my needs. What are the key technical aspects I should focus on when comparing different Audi A8 models?

When considering an Audi A8, it's important to look at the engine specifications and performance. Make sure the model you choose has the right amount of power and torque for your driving needs.

Another important factor to consider is the technology and safety features offered in the Audi A8. Make sure the model you choose has the latest advancements in driver assistance and connectivity.