kpax wrote:
說實話B9比較糟的還...(恕刪)
http://www.continentalaudi.com/audi-a4.htm
是喔
美國汽車雜誌Car and Driver拿音量計實際量過
跟你講的完全不一樣 哪個對啊?

Car and Driver: "In the case of the 2017 Audi A4 2.0T Quattro, the sound-level meter confirms its soft-spoken nature. At a steady 70 mph, the A4 puts out a mere 63 decibels. That's less noise than you'll get in an S-class