Abstract
This research aims to study the factors that influence customer thung song district in the decision to buy used cars with a sample group in thung song district ever decide to buy second hand cars, used statistics per cent (Percentage) average (Mean) and standard deviation (Standard Deviation) value t-test F-test up One-way ANOVA test for differences in the average pair of LSD by means of correlation coefficients (Pearson Product-moment Correlation) and the analysis of comments and other suggestions in the analysis of the results from a sample of 400 people.
The results showed that the majority of respondents a male than female Aged 31-40 years with low levels of education years. a career as an entrepreneur or business owner. The average monthly income of 10,001 - 20,000 baht from analysis of the comments about the marketing mix that influence the decision to buy a second hand car, found that the overall level. There are comments in the promotion of the market most secondary is the product pricing and the distribution channel. The opinions about the decision to buy a second hand car, thung song district clients. Find an overview on many levels. With the decision in the most aware of the secondary is the evaluation of the alternatives to buying decisions, and the information search effect analysis of opinions and suggestions, so that the customer does not present a number of ideas, rather than offer comments by comments that should be encouraging after sales service, and should have a code of conduct in order to provide information that is true with most customers the hypothesis testing found Demographic factors such as age and average revenue per month of different customers. Influence the decision to buy a second hand car, different gender, education level and occupation of different customers. Affect the used car buying decision is no different and the marketing campaign. Have a relationship with the decision to buy a second hand car.