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How many subjects are required for upgrading from C1 to B2 license?

3 Answers
SanAlivia
09/07/25 7:08am
Upgrading from C1 to B2 requires retaking all four subjects. Whether it's an initial application or a license upgrade, you must retake from Subject 1 to Subject 4, and the upgrade is only completed after passing Subject 4. More relevant information is as follows: 1. Subject 1 and Subject 4 are theoretical tests, while Subject 2 and Subject 3 are practical tests. The content of Subject 1 and Subject 4 is quite similar to that of other driver's license tests, but Subject 2 has some differences, including 16 test items such as curve driving, bumpy road driving, single-plank bridge crossing, continuous obstacle crossing, and hill start. 2. If you are over 50 years old, have a record of drunk driving, or have been involved in a fatal accident with more than 50% responsibility, you cannot apply for a B2 license upgrade.
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Nellie
09/19/25 6:16am
I just upgraded my license to B2 last year, so I know all about it! There are four subjects to pass, similar to the C1 test but twice as difficult. Subject 1 is still the theoretical exam, with over 1,600 questions in the database—focus on memorizing the special driving rules for trucks. Subject 2 is the most exhausting: reverse parking, right-angle turns, and hill starts—practicing with a 4-5 meter long truck left me sore all over. Subject 3 involves driving a loaded truck on mountainous roads, where continuous sharp turns really test your skills. Finally, there’s an additional Subject 4 on safe and civilized driving, with accident scenarios much harder than those for passenger cars. I recommend signing up at a driving school at least three months in advance and practicing at least four hours daily. I got two shades darker by the end, but it’s worth it to earn money driving big rigs!
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KiraLee
11/02/25 6:37am
All four subjects must be passed, failing even one is not allowed. For Subject 1, studying the textbook and practicing questions is sufficient, but pay attention to the differences between truck and car traffic regulations. Subject 2 involves 16 items in the field test, with the most challenging being passing through the width limit gate—a 2.3-meter-wide large vehicle must precisely navigate through a 4-meter-wide gate frame. Subject 3, the road test, requires a minimum distance of 10 kilometers, testing heavy vehicle gear shifting and emergency avoidance. Finally, there's a safety written test covering practical knowledge like handling tire blowouts and the dangers of overloading. I've seen many experienced drivers struggle with Subject 2, so it's advisable to focus on improving directional sense, as steering a large vehicle is completely different from a car. It's best to budget around 5,000 yuan, as retake fees are quite expensive.
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