NIO ES9 Outperforms Li Auto MEGA in NVH Tests, Delivers Lower Cabin Noise from 40–120 km/h

NVH (Noise, Vibration, and Harshness) test data released on July 20 showed that the NIO ES9 recorded interior noise levels of 48.2 dB, 54.6 dB, and 60.8 dB at speeds of 40 km/h, 80 km/h, and 120 km/h, respectively—consistently lower than those of the Li Auto MEGA by margins of 1.7 dB, 1.6 dB, and 0.3 dB. In static sound insulation testing, the NIO ES9 measured 50.9 dB, ranking second only to the BMW i7 xDrive60L. The vehicle surpassed 10,000 units in deliveries within one month of its market launch.