What is the best way to increase fuel efficiency in my Audi A6?

I recently purchased an Audi A6 and have been looking for ways to improve its fuel efficiency. What suggestions do you have for me?

Using higher quality fuel can make a significant difference in fuel efficiency for your Audi A6. Additionally, regular maintenance and tune-ups can ensure your engine is running at its most efficient levels.

Adjusting your driving habits, such as avoiding excessive idling and accelerating slowly, can greatly improve your Audi A6's fuel efficiency. Also, keeping your tires properly inflated can make a difference as well.

Investing in add-ons like aerodynamic body kits and performance chips can not only improve the look and performance of your Audi A6, but also increase fuel efficiency.