ming052930 wrote:
腳踏車是你的首選....(恕刪)
騎車是健康..但碰到下雨還是很不方便,,.開車還是舒服很多的..
Audi A4 速度 112km/h 時 是 63db 的噪音...聽說比 MB S class, A8, Lexus LS-600hL 還安靜,
跟 Rolls-Roycs接近.只差 1db..
###<< from 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, Audi’s own A8, and the sensory-deprivation tank also known as the Lexus LS600hL. A Rolls-Royce Phantom is quieter, but only by one decibel. Point the A4 down a highway and all you hear is a light ruffling of wind—and watch your speed, the A4 is barely louder at 100 mph.
##
http://www.caranddriver.com/audi/a4
Audi A5/A4 底盤相同,不知一樣安靜?
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