Group 1 - The core issue revolves around the wind resistance coefficient (Cd) of vehicles, with recent tests showing discrepancies between different companies' results [1][2] - Avita reported a wind resistance coefficient of 0.217 under specific testing conditions, while the "Zurich Prince" (贝勒爷) measured it at 0.286, highlighting the impact of testing conditions on results [1] - Avita clarified that the tests were conducted using a production vehicle, despite earlier claims of achieving lower coefficients with prototype vehicles [1] Group 2 - The lack of a unified national standard for wind resistance testing in China allows companies to manipulate testing conditions and present the lowest coefficients without clear communication [2] - The importance of wind resistance in enhancing vehicle range is questioned, as other factors like battery capacity and motor efficiency also play significant roles [2] - A blogger has accepted a challenge to conduct independent wind tunnel tests on a vehicle, indicating ongoing interest and scrutiny in this area [2]

Core Viewpoint - The recent wind resistance incident involving Avita has generated significant attention, leading to a lawsuit with a compensation claim of 10 million, which is the highest in China. The incident has directly impacted sales, prompting insights from sales personnel and customers regarding its effects on Avita's market performance [1]. Sales Insights - Among five customers interviewed, four were existing customers and only one was new. Existing customers expressed concerns about brand development, while new customers learned about the incident through social media and were skeptical about potential deception. The wind tunnel test received a score of 6, with criticisms directed at the lengthy live broadcast [3]. - A second group of customers noted that new customers rarely mentioned the incident, focusing instead on the vehicle's appearance and features. They rated the wind tunnel test higher, at 8-9, appreciating the clarity of the manufacturer's explanations [5]. - A third group observed an increase in foot traffic, with two customers mentioning the incident. They felt that the exposure had a positive impact on sales, with one customer believing that Avita must take legal action to maintain credibility [7]. - A regional manager indicated that the incident did not significantly affect sales during the recent holiday period, as customers were more concerned with the vehicle's aesthetics than the wind resistance issue [10]. - A store manager reported that only two customers mentioned the incident, viewing it as a publicity stunt. Customers prioritized design, safety, and intelligent driving features over wind resistance concerns, and the wind tunnel test was rated highly for its professionalism [16]. Customer Sentiment - Customers generally displayed indifference towards the wind resistance issue, focusing instead on the vehicle's design and performance. Many believed that even if there were inaccuracies, they were not severe enough to deter their interest in the brand [11][12]. - The overall sentiment among customers was that the incident resembled a trending topic rather than a serious concern, with many expressing a desire for the manufacturer to address the situation more assertively [16].

Core Viewpoint - The recent controversies surrounding the wind resistance coefficients of electric vehicles (EVs) highlight the industry's obsession with technical parameters, which have shifted from being a tool for enhancing range to a symbol of brand "technological strength" [2][4][6]. Group 1: Industry Trends - The wind resistance coefficient has become a focal point in the EV industry, with companies like Tesla setting benchmarks that others strive to surpass, leading to a competitive environment where every 0.01Cd reduction is seen as a significant achievement [4][6]. - The lack of stringent national standards in China allows manufacturers to exploit testing conditions, often leading to misleading representations of vehicle performance [4][5]. - The pursuit of lower wind resistance has led to a phenomenon where companies prioritize testing standards over genuine improvements in aerodynamic performance, potentially stifling true innovation in the industry [5][6]. Group 2: Consumer Impact - Misleading marketing practices regarding wind resistance can confuse consumers, leading them to believe that advertised performance aligns with real-world capabilities, which can affect purchasing decisions [5][6]. - The focus on wind resistance has created a disconnect between consumer preferences and vehicle design, with many consumers favoring traditional designs over the increasingly popular aerodynamic shapes [7][8]. Group 3: Design and Innovation - The obsession with achieving lower wind resistance has led to design choices that may compromise user experience, such as reducing cabin space or eliminating practical features [6][8]. - Successful examples in the industry demonstrate that it is possible to balance aesthetics, functionality, and efficiency without solely focusing on wind resistance metrics [7][8].

Core Viewpoint - The controversy surrounding Avita 12's wind resistance coefficient has escalated, leading to legal action by Avita Technology against a social media influencer for alleged misrepresentation of the vehicle's testing conditions [1][2]. Group 1: Legal Actions and Responses - Avita Technology's legal department has filed a civil lawsuit against the influencer, demanding the cessation of infringement and compensation of 10 million RMB for economic and reputational damages [1]. - The influencer issued an apology but continued to imply that the vehicle tested was a prototype rather than a production model, raising further questions about the vehicle's classification [2][5]. Group 2: Vehicle Classification and Testing - Avita Technology asserts that the vehicle used in the wind tunnel test was a production model, which is designed for mass production and must meet stricter durability and safety standards compared to prototype vehicles [2][3]. - The distinction between prototype and production vehicles is critical, as prototypes are often used for testing extreme design features and do not need to comply with all regulations [3]. Group 3: Wind Resistance Testing and Industry Standards - The wind tunnel test conducted by Avita Technology showed a wind resistance coefficient of 0.2169Cd to 0.2173Cd at a speed of 160 KPH, closely aligning with the previously advertised coefficient of 0.21Cd [5]. - The automotive industry is witnessing a shift in focus towards wind resistance coefficients, with many electric vehicles achieving coefficients between 0.2Cd and 0.3Cd, which is crucial for enhancing product competitiveness [6][7]. - There is currently no national or industry standard for wind resistance testing, leading to significant discrepancies in results from different testing institutions [7].

Core Viewpoint - The article discusses the recent controversy surrounding the wind resistance coefficient claims of the Avita 12 vehicle, highlighting the differing test results and the implications for the automotive industry regarding transparency and standards in wind resistance testing [2][5][34]. Summary by Sections Incident Overview - The controversy began when a tech blogger, "Zurich Beile Ye," claimed that the wind resistance coefficient of the Avita 12 was 0.281 Cd, which contradicted Avita's official claim of 0.217 Cd, suggesting a regression to levels seen in gasoline vehicles from 20 years ago [4][5][6]. - Avita responded by launching a legal suit against the blogger for defamation and initiated a public wind tunnel test to validate their claims [2][5]. Testing Conditions and Results - Both parties' claims were validated under different testing conditions: Avita's test used electronic mirrors and air suspension, while the blogger's test used standard mirrors and a different vehicle configuration [9][10][12]. - The article emphasizes that the wind resistance coefficient is highly sensitive to testing conditions, and thus, results can vary significantly based on the setup [11][12]. Industry Implications - The article points out the lack of standardized testing methods in China, which leads to discrepancies in reported data and consumer confusion [23][31]. - It highlights the need for a unified national standard for wind resistance testing to restore trust in the automotive industry and prevent misleading marketing practices [32][34]. Marketing and Consumer Perception - The competitive landscape has led to a focus on wind resistance as a key marketing parameter, with companies like Tesla setting benchmarks that others strive to meet [34][35]. - The article warns that excessive emphasis on wind resistance can lead to homogenization of vehicle designs, potentially sacrificing user experience and safety for the sake of lower coefficients [36][37].

Core Viewpoint - The controversy surrounding the alleged false wind resistance coefficient of the Avita 12 has concluded, with both parties presenting valid points regarding their respective test results and conditions [1][5][13]. Group 1: Event Overview - The controversy began when a tech blogger, "Zurich Beile Ye," tested the Avita 12's wind resistance coefficient at 0.28Cd, contradicting Avita's claim of 0.21Cd, leading to significant public attention [1][2]. - Avita responded by offering a reward of 5 million yuan to combat negative publicity and conducted a live wind tunnel test, which yielded a coefficient of approximately 0.217Cd [2][3]. - The blogger received a lawyer's letter from Avita demanding the removal of false statements and a public apology, which he partially complied with while still implying that Avita used a prototype vehicle for testing [3][4]. Group 2: Testing Conditions and Results - Both parties' test results were deemed valid but were influenced by different testing conditions: Avita's test used electronic mirrors, air suspension, and low-resistance wheels, while the blogger's test used standard mirrors and a different vehicle configuration [5][6][10]. - The differences in testing conditions highlight the complexity of measuring wind resistance coefficients, which can vary significantly based on vehicle specifications and testing environments [7][18]. Group 3: Industry Implications - The incident underscores the lack of standardized testing protocols in the automotive industry, leading to potential consumer confusion regarding vehicle performance claims [20][23]. - The competitive landscape has intensified, with companies like Tesla setting benchmarks for wind resistance, prompting other manufacturers to engage in similar marketing strategies [25][26]. - The pursuit of lower wind resistance coefficients has led to increased R&D costs and a trend towards homogenized vehicle designs, raising concerns about user experience and safety [26][27].

Core Viewpoint - The company Avita Technology has taken legal action against a blogger for spreading false information regarding the aerodynamic drag coefficient of its Avita 12 vehicle, claiming significant damage to its reputation and brand image [1][2]. Group 1: Legal Action - Avita's legal department issued a letter demanding the blogger "Zurich Beileye" to delete false statements made between May 2 and May 10, 2025, regarding the aerodynamic testing of the Avita 12 vehicle [1]. - The letter also requests a public apology from the blogger, to be prominently displayed on their social media accounts for thirty days [1]. Group 2: Public Testing and Results - In response to public interest and scrutiny, Avita conducted a live broadcast of the aerodynamic drag coefficient testing for the Avita 12 on May 9, 2025, at the China Automotive Engineering Research Institute [2]. - The testing was performed by a recognized authority, with results showing a drag coefficient (Cd) of 0.217 at a wind speed of 120 kph, adhering to international testing standards [2]. Group 3: Impact of False Claims - The blogger's continued posts, which included misleading references and insinuations about Avita manipulating testing results, are viewed as harmful to the company's reputation and mislead the public [2]. - Avita asserts that the blogger's actions exceed reasonable criticism and have significantly misled the public regarding the company's credibility [2].

Core Viewpoint - Avita Technology conducted wind tunnel tests for the Avita 12, achieving a drag coefficient of 0.2171Cd at a wind speed of 120KPH, indicating strong aerodynamic performance and potential for energy efficiency [1][2]. Group 1: Wind Tunnel Testing - The wind tunnel tests were performed at the China Automotive Engineering Research Institute, which has developed advanced facilities for automotive aerodynamics and acoustics since its establishment in 2014 [1]. - The tests simulated six different conditions to analyze the factors affecting the drag coefficient, revealing variations in drag coefficients based on different configurations and driving states [2]. Group 2: Drag Coefficient Results - At a wind speed of 160KPH, the drag coefficient was measured at 0.217Cd, which slightly increased to 0.2171Cd at 120KPH [2]. - Changing to sport wheels raised the drag coefficient to 0.2327Cd, while modifications like physical rearview mirrors and enhanced air suspension resulted in a drag coefficient of 0.2509Cd [2]. - The drag coefficient further increased to 0.2741Cd with the active grille shutter open, and to 0.2973Cd when the vehicle was offset by 5 degrees at 120KPH [2]. Group 3: Factors Influencing Variations - Avita Technology identified three main reasons for the discrepancies in drag coefficient measurements: differences in configuration or functional states, variations in testing methods, and the completeness of vehicle components [2]. - Factors such as whether the active grille shutter was open, the weight distribution during testing, and the presence of exhaust systems in range-extended models were noted as influential [2]. Group 4: Oversight and Validation - The testing was supervised by a notary and witnessed by key personnel from Avita Technology, Chongqing University of Technology, and Changan Automobile Engineering Research Institute [3].

Core Viewpoint - The article discusses the ongoing debate surrounding the aerodynamic drag coefficient of electric vehicles, particularly focusing on the controversy involving the Avita 12 model and the implications of wind tunnel testing in the automotive industry [1][2][3]. Group 1: Wind Tunnel Testing Costs and Importance - Wind tunnel testing is a crucial yet expensive process in automotive design, with costs averaging around 30,000 yuan per hour, leading to total expenses exceeding 1 million yuan for comprehensive testing [1][2]. - Despite the high costs, car manufacturers continue to pursue low drag coefficients as they significantly impact vehicle efficiency, noise, and comfort [2][3]. Group 2: Competition and Marketing in Drag Coefficient - The competition for lower drag coefficients has intensified since Tesla's Model S claimed a coefficient of 0.208Cd, prompting other manufacturers like Mercedes and Xiaomi to announce similarly low figures [2][3]. - The article highlights that differences in drag coefficients below 0.2Cd often become marketing gimmicks rather than reflecting real-world consumer experiences [2][3]. Group 3: Discrepancies in Testing Results - The Avita 12 faced scrutiny when a blogger reported a drag coefficient of 0.28Cd from a wind tunnel test, contrasting with the manufacturer's claim of 0.21Cd, raising questions about the accuracy and consistency of testing methods [2][3]. - Various factors influence drag coefficients, including vehicle design, frontal area, and testing conditions, leading to discrepancies in results across different wind tunnels [4][5]. Group 4: Lack of Standardization in Testing - There is currently no unified standard for wind tunnel testing in China, resulting in variations in reported drag coefficients based on different testing conditions and methodologies [6][8]. - The absence of a national standard means that manufacturers may present optimized results from test vehicles rather than production models, potentially misleading consumers [12][13]. Group 5: Implications for the Automotive Industry - The controversy surrounding the Avita 12 serves as a wake-up call for the industry regarding the need for more transparent and standardized reporting of aerodynamic performance [13]. - As electric vehicles become more prevalent, the focus on drag coefficients as a marketing tool may overshadow their original purpose of improving vehicle performance and efficiency [13].

Core Viewpoint - The recent controversy surrounding the aerodynamic performance of the Avita 12 highlights the tension between marketing claims and actual wind tunnel test results, raising questions about the integrity of wind resistance measurements in the automotive industry [3][10][12] Group 1: Wind Tunnel Testing Costs and Practices - Wind tunnel testing is an expensive process, with costs averaging around 30,000 yuan per hour, leading to daily expenses exceeding 120,000 yuan for companies [1][2] - The automotive industry typically requires multiple wind tunnel tests during the design phase, with a minimum of three tests, each lasting between 8 to 16 hours [1][2] - The lack of standardized testing methods in the industry results in variations in wind resistance measurements across different manufacturers and testing facilities [7][11] Group 2: Marketing and Consumer Perception - The competition for lower wind resistance coefficients has become a marketing strategy, with companies like Tesla, Mercedes, and Xiaomi promoting their vehicles' aerodynamic efficiency as a key selling point [2][10] - The difference of 0.01Cd in wind resistance coefficients among vehicles has been criticized as a "digital game," often failing to reflect real-world consumer experiences [2][10] - Companies are urged to provide clearer information regarding the conditions under which wind resistance coefficients are measured to avoid misleading consumers [2][10] Group 3: Discrepancies in Wind Resistance Measurements - The Avita 12 faced scrutiny when a blogger reported a wind resistance coefficient of 0.28Cd, significantly higher than the company's claimed 0.21Cd, leading to widespread debate [3][4] - Factors affecting wind resistance measurements include vehicle configuration, testing methods, and the completeness of certain components, with vehicle design accounting for nearly 60% of the wind resistance coefficient [4][5] - Different wind tunnel facilities yield varying results, and the absence of a unified testing standard complicates the comparison of wind resistance data across manufacturers [7][8] Group 4: Industry Standards and Future Implications - The automotive industry lacks a national standard for wind tunnel testing, relying instead on group standards and international references, which can lead to inconsistencies [7][11] - The pursuit of lower wind resistance is critical for improving fuel efficiency and electric vehicle range, with a 10% reduction in wind resistance potentially lowering fuel consumption by 0.12L/100km and increasing electric vehicle range by approximately 15km [7][8] - The recent controversies have prompted companies to reconsider their marketing strategies, with many adjusting their promotional language regarding wind resistance to avoid misleading claims [12]