Why does the Audi A2 have a unique design?

I've noticed that the Audi A2 has a distinct and unconventional design compared to other cars in its category. Can you explain why this is?

The unique design of the Audi A2 is a result of its innovative aluminum space frame construction. This not only makes the car lighter and more fuel-efficient, but also allows for more creative and sleek design options.

The design of the Audi A2 was aimed at creating a more aerodynamic and efficient vehicle. The rounded shape and smooth lines help reduce drag and improve fuel efficiency.