The　boom　in　car　ownership　in　China　brings　problems　like　traffic　congestion　and　transportation　pollution,　which　presents　a　great　challenge　to　urban　sustainable　urban　development.　Carpooling　has　lower　per　capita　carbon　emissions　and　cost　than　driving　individually.　It　is　widely　adopted　by　the　potential　car　buyers　in　major　Chinese　cities.　This　study　aims　to　investigate　the　effects　of　carpooling　on　potential　car　buyers＇　purchasing　intention　of　car　in　China.　An　online　survey　was　conducted　in　Jinan　with　607　responses　collected　in　total.　Based　on　the　extended　theory　of　planned　behavior　(TPB),　5　constructs　were　identified　and　10　hypotheses　were　proposed.　Structural　equation　modeling　(SEM)　was　taken　to　test　the　proposed　hypotheses.　MNL　model　and　SEM-logit　model　were　used　to　analyze　the　influence　of　different　characteristic　variables　on　potential　car　buyers＇　purchasing　intention.　The　study　found　that　22%　of　potential　car　buyers　postponed　purchasing　a　car　and　12%　gave　up　purchasing　a　car.　Respondents　with　relatively　low　incomes　or　working　in　central　urban　areas　were　more　likely　to　refuse　or　postpone　purchasing　a　car.　Attitude,　perceived　service　and　social　norms　significantly　influenced　the　purchasing　intention,　but　perceived　affordability　and　perceived　responsibility　had　no　direct　influence　on　potential　car　buyers＇　purchasing　intention.