The Audi A2 is a compact luxury hatchback produced by Audi from 1999 to 2005. Known for its lightweight aluminum construction, the A2 was designed to offer a balance of efficiency, innovation, and practicality in a small footprint. It features a distinct aerodynamic design and was available with various small-displacement engines, including diesel and petrol options. The Audi A2 stands out for its early adoption of advanced materials and fuel-efficient technologies, making it an important model in Audi's lineup focused on urban mobility and sustainability.