Core Insights - The total number of valid complaints from car owners reached 17,961 in November 2025, marking a month-on-month increase of 3.3% and a year-on-year increase of 33.6% [1] - Cumulative complaints from January to November 2025 exceeded 200,000, representing a 32.3% increase compared to the same period last year [1] Complaint Rankings - Chery Automobile's model X ZA9L topped the complaint list with 394 complaints in November, a significant increase from 42 in October, primarily due to policy changes and disputes over new and old model iterations [2][3] - The top ten models with the highest complaints included brands like Chery, Equation Leopard, and Ford, with issues ranging from delivery problems to system upgrades [2][4] Types of Complaints - Service-related complaints were the most significant, with 4,086 complaints regarding service attitude, followed by sales issues and unfulfilled promises, indicating a lack of transparency and fulfillment in transactions [2] - Quality complaints were also notable, with 977 complaints related to vehicle body accessories and electrical systems, highlighting issues with stability in software and hardware as vehicles become more connected [3] Brand Performance - In November, complaints from domestic brands increased by 10.3% compared to October, with service issues being the primary source of this growth [4] - Conversely, complaints from joint venture brands decreased, although their total complaint volume remained higher than that of domestic brands [4] Complaint Handling - The complaint response rate improved slightly, with 47 companies achieving a 100% response rate, including Zeekr and Xpeng [5] - Some companies, like Geely and Beijing Off-road, showed high withdrawal rates of over 70%, while others like Beijing Hyundai and Xpeng maintained low withdrawal rates [5]

Core Insights - The overall complaint index for car manufacturers increased by 39% year-on-year, reaching 163,069.85 for the first three quarters of 2025, with all but one manufacturer showing an upward trend in complaints [2] Group 1: Complaint Index by Manufacturer - BYD leads with a complaint index of 71,529.2, up 115.01% year-on-year, primarily due to issues related to new car price reductions and upgrades, with 74% of complaints stemming from this issue [4][5] - Changan Automobile ranks second with a complaint index of 9,977.1, a 34.27% increase, with major complaints about system upgrades and transmission stuttering [5] - Chery Automobile holds the third position with a complaint index of 5,118.05, up 12.73%, with complaints focused on system upgrades and engine performance [5] Group 2: Notable Increases in Complaints - Li Auto's complaint index surged by 575% to 4,160.35, mainly due to issues with lower arm noise in the L series [6] - FAW Hongqi's complaint index rose by 543.82% to 2,981.55, with complaints centered on system lag and upgrade issues [6] - The overall complaint issues are concentrated in areas such as new car pricing strategies, system upgrades, transmission problems, and engine performance [6]