The results show most of respondents are male with range of age between 31-40 years. They graduated at bachelor’s degree; are working as an employee of private firm; earn money in range between 30,001-40,000 baht per month in average; are single; and have family members between 4-5 persons. Factors relating behavior of most of them include fame of brand as their buying reason, usage of two Toyota cars, Prius model, black color, engine size between 1,500-2,000 c.c., and average usage life of one year in their family.