What is the most efficient way to increase fuel economy in an Audi A5?

I'm looking for tips on how to improve the fuel efficiency in my Audi A5. Any specific driving techniques or modifications I can make?

One key tip to improving fuel economy in an Audi A5 is to avoid excessive idling. You could also consider getting a tune-up or using a fuel additive for better efficiency.

Pay attention to your tire pressure - keeping them properly inflated can make a significant impact on fuel economy. You may also want to invest in a more efficient air filter for your Audi A5.