
Excessive engine noise in a new car is not a normal condition. If you encounter such an issue, you should promptly notify the 4S dealership for inspection and repair. The following factors can cause increased engine noise: Engine Mount Deterioration: Deteriorated engine mounts can fail to reduce vibrations. The engine and chassis are connected flexibly, with engine mounts in between. Over time, the rubber bushings of the engine mounts gradually age and lose their original shock-absorbing effect, naturally leading to increased noise. Exhaust Pipe Leakage: Leaks in the exhaust pipe can also result in noticeably louder noise. Excessive Tire Noise: Models equipped with run-flat tires typically produce more tire noise, which can be improved by switching to quieter tires.

I just bought a new car and noticed the engine sound is a bit loud, which is actually quite common. The loud noise during cold starts is due to the high engine RPM as the oil pump quickly builds up pressure, especially more noticeable in winter. It quiets down after a minute or two when the RPM drops. Additionally, turbocharged cars tend to be louder than naturally aspirated ones because of the whooshing intake sound from the turbo working. However, if accompanied by metal grinding noises or steering wheel vibrations, it might indicate a loose belt or bearing issue. New cars can also sound louder during the break-in period. I recommend having the technician check the oil level and engine mounts during the first service. Don’t worry—if it returns to normal after warming up, it’s usually fine.


