What is the most fuel efficient engine option for the Audi A8?

I am considering purchasing an Audi A8 and would like to know which engine option offers the best fuel efficiency. I'm looking for a balance between performance and saving money on gas.

Based on my research and personal experience, the 3.0-liter V6 engine with hybrid electric assist offers the best fuel efficiency for the Audi A8. With this option, you can expect to get an average of 27 miles per gallon (mpg) in combined city and highway driving. However, keep in mind that driving habits and other factors can affect your actual fuel efficiency.

If you want even better fuel efficiency, consider opting for the plug-in hybrid version of the Audi A8. With this option, you can go up to 17 miles on pure electric power before the gasoline engine kicks in. This can save you money on gas, especially if you have a short daily commute. Keep in mind that the plug-in hybrid is more expensive upfront, but could save you money in the long run.