Daihatsu Sirion Workshop & Owners Manual | Free Download Daihatsu Sirion. The Daihatsu Sirion is a subcompact car produced by the Japanese automobile manufacturer Daihatsu since 1998. It is produced in three generation. First generation is model called Daihatsu Storia and was produced from 1998-2004. Second generation is model called Daihatsu Boon and was produced from 2004 till present. Daihatsu | Sirion Service Repair Workshop Manuals Our Sirion Daihatsu workshop manuals contain in-depth maintenance, service and repair information. Get your eManual now!