Chinese Automakers' Big Test in Thailand: After the 47% Market Share Peak, Compliance Thresholds Have Been Comprehensively Raised
From "opening the door wide" to "setting up checks and regulations", Thailand's policy shift reflects a deep underlying logic: as the country with the most solid automotive industrial foundation in Southeast Asia, Thailand is no longer content to be a consumer market for overseas brands, but aims to become a manufacturing hub for new energy vehicles in Southeast Asia. This major policy shift in the Thai market has a pivotal reference significance for the global expansion of Chinese automakers.
After Chinese automakers overtook Japanese and South Korean brands to take the largest share of the Thai automotive market, the rules of the game in Thailand's electric vehicle market have quietly changed.
On March 21 this year, the special new labeling regulation for automobiles under Thailand's Label Control Act officially came into effect; the requirements of the EV3.5 policy for foreign automakers are also gradually increasing, and the ratio of imported to locally produced vehicles must reach 1:2 in 2026; after June 30, the proportion of imported cells counted towards the local procurement rate will drop to zero; at the same time, the Office of the Thai Consumer Protection Board (OCPB) has launched industry law enforcement targeting electric vehicle advertising compliance and after-sales standards, and the promotion of the Product Defect Act has also entered the fast track.
This set of combined measures introduced by Thailand is not targeted at any specific country, but objectively it has hit Chinese automakers that are the most active in Thailand's electric vehicle market. In 2025, Chinese brands accounted for more than 80% of Thailand's pure electric vehicle market; in January 2026, the combined share of Chinese brands in Thailand's overall automotive market once reached 47.34%, surpassing Japanese brands for the first time in history.
However, with the implementation of a series of new regulations, Chinese automakers are facing unprecedented pressure in Thailand. Some pessimists even predict that Chinese automobiles may have to "exit" the Thai market. In late July, the Economic Observer consulted a number of Chinese automakers that have laid out the Thai market about their corresponding countermeasures, and all of them remained silent.
From "opening the door wide" to "setting up checks and regulations", Thailand's policy shift reflects a deep underlying logic: as the country with the most solid automotive industrial foundation in Southeast Asia, Thailand is no longer content to be a consumer market for overseas brands, but aims to become a manufacturing hub for new energy vehicles in Southeast Asia. This major policy shift in the Thai market has a pivotal reference significance for the global expansion of Chinese automakers.
Three "Cards": Label, Defect and Localization
The policies implemented in Thailand this year can be summarized into three dimensions: market transparency, after-sales accountability, and industrial binding.
At the market level, the new vehicle labeling regulation that came into effect on March 21, 2026 requires all vehicles sold in Thailand (including fuel vehicles and electric vehicles) to be affixed with Thai-language labels, clearly indicating the product name, brand and model, manufacturer or importer information, physical specifications, production date, drive system, instructions for use, safety precautions, warranty terms and price. For electric vehicles, there are additional disclosure items: vehicle type (HEV/PHEV/BEV/FCEV), maximum and rated power of the motor, battery type and capacity, battery warranty terms (or no warranty statement), estimated range on a full charge, electrical system safety standards and power consumption rate. The label must be "like a transparent technical parameter sheet, not a marketing brochure".
At the after-sales level, the rapid advancement of the Product Defect Act has raised the cost of violations to the criminal level. The draft of this act was approved by the Thai Cabinet on June 16. Although it has not yet taken effect, its content is clear, mainly including: inversion of burden of proof, that is, if a defect occurs within the specified period after delivery, the seller is directly presumed to be responsible, and the buyer does not need to prove that "the defect existed before delivery"; the presumed defect period for automobiles is 1 year after delivery or 10,000 kilometers of driving (whichever comes first); automobile repairs must be completed within 90 days, otherwise the buyer has the right to request a price reduction or terminate the contract; if the defect involves safety issues and cannot be repaired, the buyer can directly request a full vehicle replacement or contract termination.
The background of this legislative initiative is that between 2024 and 2026, Thailand has received a total of 1,348 electric vehicle complaints, involving product defects, non-refund of deposits, after-sales price reductions, non-delivery of free gifts and other issues. The Thai Consumer Council (TCC) has previously received more than 300 complaints, covering after-sales service and spare parts shortages, converter failures, excessive waiting time for parts replacement, and dealers failing to submit claim applications. The council has proposed to the government to require brands to set up service centers in major regions within one year and ensure the supply of spare parts in Thailand for at least 5 years.
At the industrial level, the core constraint comes from the EV3.5 policy. This policy lasts for 4 years and covers models produced from 2024 to 2027. Automakers that enjoy import tax reductions and vehicle purchase subsidies must fulfill rigid local production obligations: in 2026, the ratio of imported to locally produced vehicles must reach 1:2, and rise to 1:3 in 2027. For every 5 percentage point increase in the local parts procurement rate, the consumption tax rate can be reduced by 0.5 percentage points, down to a maximum of 0%. If the local procurement rate of key systems such as batteries, inverters and thermal management reaches more than 40%, imported batteries can be exempted from tariffs.
Regarding battery local procurement, the EV3.5 policy stipulates that before January 1, 2026, imported cells can be counted up to 15% towards the local procurement rate, the conversion ratio will drop to 10% from January to June 2026, and starting from July 1, the proportion of imported cells counted towards the localization rate will drop to zero, and locally produced Thai cells must be procured. This means that the previous path of relying on imported cells to reduce costs and carrying out CKD (Complete Knock Down) assembly in Thailand has been blocked.
Thailand's policy shift is not an isolated case. The whole of Southeast Asia is experiencing a policy shift from "bringing in" to "staying for development".
Malaysia will implement new electric vehicle import regulations starting from July 1, 2026: the CIF price of fully imported vehicles shall not be lower than 200,000 ringgit (about 330,000 RMB), and the peak output power of the motor must reach more than 180 kilowatts, both of which are indispensable. Local assembly projects are also restricted: for new projects approved after September 1, 2025, the minimum selling price of the vehicles produced shall not be lower than 100,000 ringgit (about 165,000 RMB), and at least 80% of the output must be used for export. Indonesia requires the localization rate to reach at least 40% in 2026 and rise to 80% in 2030.
The underlying logic of this round of policy adjustment in Southeast Asia is highly consistent: from the early stage of simply stimulating end-user consumption and rapidly increasing electric vehicle penetration, to attracting investment and cultivating local complete vehicle manufacturing, and then to protecting the local automotive industry and building a complete new energy supply chain. In other words, Southeast Asia does not only want people who "sell cars", but people who "make cars".
Chinese Enterprises' "Advancement" and Thailand's "Defense"
Despite the increasing local policy restrictions, as a "must-win battlefield" for Chinese automakers' global expansion, the Thai market is of vital importance. As the most important automobile producing country in Southeast Asia, Thailand has an automotive industrial foundation of more than 60 years, known as the "Detroit of Asia", with thousands of local parts suppliers and an employment market of hundreds of thousands of people. In the era of fuel vehicles, Japanese brands have long occupied more than 85% of the Thai market. Entering the new energy era, Chinese brands have come from behind.
The layout of Chinese automakers in the Thai market started with precise positioning during the policy window period. The Thai government passed the EV3.0 policy, attracting foreign investment with a maximum subsidy of 150,000 baht per vehicle and import tariff reductions. Chinese brands responded quickly, and mainstream automakers such as BYD, Great Wall, Changan, GAC, and MG have successively entered the market. Up to now, 7 mainstream Chinese automakers have established production bases in Thailand, with a planned production capacity exceeding 600,000 units.
Market data confirms the effectiveness of this layout. In 2025, the sales volume of pure electric vehicles in Thailand exceeded 120,000 units, a year-on-year increase of about 80%, of which Chinese brands accounted for more than 80% of the market share. In 2025, the total sales volume of Chinese brands in Thailand reached 134,400 units, with a market share of about 22%. In the top 10 annual sales list of the Thai auto market in 2025, five Chinese automakers including BYD, MG, Great Wall, Changan and GAC took half of the seats.
Entering 2026, the offensive of Chinese brands has further accelerated. From January to May, the cumulative registered volume of BEV passenger cars in Thailand reached 85,578 units, a year-on-year increase of over 90%, and the penetration rate reached a record high of 30%. During the same period, the share of Chinese brands in Thailand's overall automotive market reached 17.3%, surpassing Japanese and South Korean brands to become the largest faction. At the 47th Bangkok International Motor Show, the total order volume of Chinese automotive brands surpassed that of Japanese brands for the first time.
It is precisely the amazing "advancement" speed of Chinese automobiles that prompted Thailand's industrial decision-makers to introduce a series of new policies. For example, in May this year, the Electric Vehicle Association of Thailand (EVAT) and the Thai Auto Parts Manufacturers Association (TAPMA) took the lead in uniting 10 industry organizations, representing more than 1,500 enterprises, and put forward 8 suggestions to the government. The main demands include: adjusting the consumption tax structure, the 8 percentage point difference in consumption tax between imported vehicles and locally produced vehicles is not enough to motivate local production, and the gap should be widened; stricter measures should be taken against automakers that "only import but do not produce". This proposal is still in the stage of negotiation with the government and has not yet formed laws or regulations. But it already reflects the reality that a large number of Chinese electric vehicles are exported to Thailand while local production is low, which has become an important reason for Thailand to tighten its localization policies.
One point that cannot be ignored comes from the consumer market. Over the past two years, Chinese brands have launched fierce price wars in Thailand, which has caused local market chaos to a certain extent. Research by the Thai Consumer Council points out that structural problems such as battery safety risks, unclear warranty terms, and unfair after-sales services are eroding consumers' trust in Chinese electric vehicles.
"Official price cuts today, giving away benefits tomorrow, old car owners feel betrayed, and there are piles of complaints about inflated range figures and inconsistent publicity with actual vehicles." Chen Rongrong, an overseas marketing expert, told the Economic Observer, "Promoting the rapid implementation of compliance management acts is the Thai government's response to public opinion."
Yuan Shuai, co-founder of the New Intelligence New Quality Productivity Salon, believes that any country, when cultivating key local industries, will go through the process of opening up the market to introduce products, gradually establishing rules, raising thresholds, and guiding the landing of the supply chain. This is the normal law of industrial development, there is no right or wrong in itself, and it is more of a choice made by the host country based on its own development interests.
Challenges and Opportunities Coexist
The direct consequence of rising policy thresholds is the accelerated stratification of the market. In the past few years, some Chinese automakers relied on the asset-light model of "selling vehicles produced domestically all over the world", transporting vehicles produced in China to Thailand for sale, and quickly seizing market share through the price advantage formed by China's mature supply chain and scale effect.
However, the 1:2 and 1:3 local production ratio requirements in the EV3.5 policy, superimposed on the regulation that the proportion of imported cells counted towards local procurement rate drops to zero, have blocked this path. At the same time, the Product Defect Act has raised the cost of violations to the criminal level. For enterprises that are accustomed to "headquarters remote control, local only responsible for channel sales", the range figure on a single publicity poster may constitute legal risks.
But the other side of the challenge is the opportunity to restructure the industry pattern. "After the compliance threshold is raised, those speculative brands that only want to make quick money and do not plan to cultivate the market for a long time will be naturally cleared out, and the remaining brands can obtain a more stable market space instead." Yuan Shuai said.
In fact, mainstream Chinese automakers have carried out in-depth localized layout in Thailand, taking Thailand as a strategic springboard to radiate the entire ASEAN and even the global right-hand drive market. For example, Changan Automobile's first overseas new energy complete vehicle production base in Rayong Province has been put into operation, and its products are not only supplied to the local Thai market, but also exported to 18 countries such as Indonesia, Singapore, and Australia. BYD's Thailand factory has also realized localized production of five models, with cumulative deliveries exceeding 130,000 units.
Facing Thailand's new policies, in the short term, the most urgent task for Chinese automakers is to put compliance management at the strategic priority. The construction of the after-sales service system also needs to be arranged in advance, and pressure tests should be carried out against the standards proposed by the Thai Consumer Council. In the medium and long term, the competition of automakers in the Thai market should shift from the competition of product strength to the competition of industrial chain capabilities.
In terms of brand and consumer trust, how to put an end to phenomena such as frequent price cuts that "betray" car owners' rights and interests, and false publicity such as inflated range figures, is related to the reputation of the entire Chinese brand camp. This requires Chinese automakers to vigorously change their operational thinking.
Deeper localization is reflected in the integration of talents and industrial ecology. Chen Rongrong said, "An enterprise that supports a large number of local jobs will always have more negotiation chips than a pure importer."
The localized layout of Chinese automakers in Thailand is essentially to build a production and supply chain network covering the whole of Southeast Asia. From asset-light operation to heavy investment, from selling products to building ecology, what Chinese automakers are facing in Thailand is not only the adjustment of the policy environment, but also a systematic upgrade of the overseas expansion model.
This article is from the WeChat official account "Economic Observer", Author: Wang Shuaiguo, authorized to release by 36Kr.