Daihatsu Boon
subcompact car model from Daihatsu
The Daihatsu Boon (Japanese: ダイハツ・ブーン, Hepburn: Daihatsu Būn) is a subcompact car produced by Japanese automaker Daihatsu from 2004 to 2023, and also sold under Toyota brand as the Toyota Passo (Japanese: トヨタ・パッソ, Hepburn: Toyota Passo) between 2004 and the ends of 2023. The Passo was once sold at Toyota Corolla Store Japanese dealerships until it was consolidated with other Toyota dealers in 2020.
Outside Japan, the first- and second-generation Boon is sold as the second- and third-generation Sirion. The first-generation Sirion was sold as the Storia in Japan.
According to Daihatsu, the name "Boon" is derived from the English word boon, and also inspired by the sound that Japanese children make when imitating the sound of a car, while the name "Passo" is Italian for "step". According to Toyota, the name conjures up the image of a casual and approachable car.
First generation (M300/AC10; 2004)
The development for the first-generation Boon was led by Toyota chief engineer Tetsuya Tada. For the Japanese domestic market, the Boon were available with 996 cc and 1.3-litre engines. The major difference between the Japanese Boon and Sirion are automatic version where the gear-changing located beside the steering on the dashboard and the handbrake below the steering. Both the Japanese Boon and European Sirion were offered in both front-wheel drive and four-wheel drive versions.
The public source identifies “Daihatsu Boon” as subcompact car model from Daihatsu. This brief keeps that definition visible, then builds a research path around Daihatsu, Boon and subcompact.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 15, 2026. The linked authority identifier is Q205608. 1 of 1 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2004, 2023 and 2020.
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This entry incorporates text from “Daihatsu Boon” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.