Why does the Audi A3 have a smaller fuel tank compared to other luxury sedans?

I noticed that the Audi A3 only has a fuel tank capacity of 14.5 gallons, while other luxury sedans in its class have a capacity of 18 gallons or more. Is there a specific reason for this difference?

The smaller fuel tank in the Audi A3 is actually a design choice made by Audi. They wanted to prioritize performance and agility over having a larger fuel capacity.

The 14.5 gallon fuel tank in the Audi A3 is still more than enough for regular daily driving. Plus, the smaller tank allows for less weight and better fuel efficiency.