The Honda Brio was apparently inspired by the Citroen 2CV, as evidenced by its codename during development. Of course, the Brio is based on a much more conventional layout, but the ultra-compact dimensions, measuring 142 inches in length and 66 inches wide. For comparison, a Smart ForTwo is 106.1 inches long but 61.4 inches wide, making the Brio a sort of four-door equivalent.
The Brio was designed for the Thai and Indian markets, and the primary concern was navigating their tight urban areas. Priced at around $13,000 USD, the Brio will likely never make it to our shores, but as the demand for small vehicles grows, perhaps an Americanized version may one day show up.