
Subject 4, the small car question bank contains 1,240 questions, while the large vehicle question bank has 1,715 questions. The exam paper consists of 50 questions, primarily presented in the form of case studies, images, animations, etc., with a full score of 100 and a passing score of 90. Subject 4, also known as the Subject 4 theory test or driver theory test, is part of the motor vehicle driver's license assessment. After the implementation of the Ministry of Public Security's Order No. 123, the Subject 3 test was divided into two parts: the road test and an additional test on safety and civilized driving knowledge, commonly referred to as "Subject 4," which assesses "driving ethics." Since this test is conducted after Subject 3, it is commonly called the Subject 4 test. Officially, there is no such term as Subject 4. If you fail Subject 4, you do not need to retake the previously passed subjects (Subject 1, Subject 2, Subject 3). You can schedule a retest on your own, and no retest fee is required. There are no scheduling restrictions, but the validity period of the driving skill test permit is three years. If the applicant does not complete the test within the validity period, the results of the already passed subjects will become invalid.

When I was preparing for my driver's license test, I specifically studied the subject four question bank, which had around 1,000 questions, though the exact number might vary slightly by region. During my review, I used a mobile app to repeatedly practice, and going through all the questions once helped me familiarize myself with various safety scenarios, such as yielding rules and emergency handling. The large number of questions is intended to ensure that everyone truly understands traffic regulations, not just to pass the test. I noticed that the question bank is updated annually, adding new regulation-related questions, so it's best to take mock exams before the test to guarantee a score above the passing mark of 90. The key is to spend more time on weak areas, like traffic signals and the consequences of drunk driving, internalizing the knowledge, which is incredibly helpful for future driving safety. Don't just focus on the quantity; improving efficiency is what really matters.

As a driving test instructor who frequently trains students, I know that the subject four question bank usually fluctuates around 1000 questions. The questions cover a wide range, from traffic signs to accident handling. Students always ask me about the size of the question bank, and I tell them the key is not the number of questions but consistent practice. The question bank may be slightly adjusted with policy changes, adding some new content, so I recommend downloading the official APP for daily practice. The actual test only selects 50 single-choice and multiple-choice questions, and you need to get at least 45 correct to pass. Don’t underestimate it—practicing multiple times can reinforce good habits and reduce risks on the road. Safe and civilized driving is a lifelong commitment, and the question bank is designed to help everyone develop good awareness.

Last time I prepared for the subject four test, I checked and found that the question bank had around 1000 questions, and the exam would only select a portion of them. The practice apps are really useful; you can go through them in just a few days. Don’t worry too much about the exact number, focus on the content: like pedestrian priority, fatigue driving warnings, and other high-frequency points. The ample question volume ensures coverage of all driving knowledge blind spots. When reviewing, I prefer practicing by category, focusing on weak areas. Using fragmented time to study is efficient and hassle-free. Remember, the goal of the exam is safety first—understanding thoroughly is better than rote memorization.


