Outside of Japan, the first-generation Boon is sold as the second-generation Sirion, the first-generation Sirion was sold as the Daihatsu Storia in Japan. However, due to the ongoing strength of the Japanese yen, the second-generation Boon will be sold only in Japan.
Glossy Blue Daihatsu BoonThe Boon/Passo was designed for European tastes, and the model took on a larger and stockier frame. It weighs about 940 kg (2,072 lb).With the back seats down, its luggage capacity increases from 225 litres (7.9 cu ft) to 630 litres (22 cu ft). In the 'European New Car Assessment Programme' (NCAP), it scored a credible 4 out of 5 stars.
Daihatsu has unveiled its Boon in Japan on February, 2010 alongside the second generation Toyota Passo.
This Boon/Passo is sold only in Japan due, in large part, to the ongoing strength of the Japanese yen.