阿维塔风阻系数遭质疑，专家称测试风洞不同会影响测试数据

Core Viewpoint - The controversy surrounding the drag coefficient of the Avita 12 has gained traction, with claims that the actual measurement is 0.28Cd compared to the official figure of 0.21Cd, raising questions about the vehicle's performance metrics [1] Group 1: Company Response - Avita has responded to the allegations by stating that the information shared by Elon Musk is inaccurate and has invited him to witness upcoming wind tunnel tests [1] - The company plans to publicly conduct tests based on the schedule of professional institutions to clarify the drag coefficient claims [1] Group 2: Industry Insights - The drag coefficient is a critical factor affecting the energy consumption, range, noise, and stability of electric vehicles, with studies indicating that at a speed of 80 km/h, air resistance can account for over 60% of energy consumption [1] - A reduction of 0.01Cd in drag coefficient can lead to an increase in electric vehicle range by 5 to 10 kilometers [1] - The design of the vehicle, particularly the body shape, significantly influences the drag coefficient, with approximately 60% of the impact attributed to the vehicle's exterior design [2] - There is a lack of standardized testing methods for measuring drag coefficients in the industry, which has been a topic of discussion since 2019 [2] - The establishment of a unified testing method is essential as the automotive industry moves towards higher-end vehicles and increased passenger comfort [2]