How long will it take to teach all the Xi 'an subjects?

5- 10 days. According to the information of Xi 'an driving test in official website, it takes 5- 10 days for Xi 'an to meet the test requirements. Subject 4 test is a comprehensive application ability test for motor vehicle drivers, and it is necessary to master relevant traffic laws and regulations, safe and civilized driving knowledge, and some knowledge of vehicle maintenance and repair.