Toyota Prius Plug-In 2014
dB at idle:
44.5
dB at 55 mph:
60.8
dB at 65 mph:
65.8
dB at 70 mph:
66.4
dB at 75 mph:
68.7
dB at 85 mph:
71.9
dB at 50 km/h:
55.6
dB at 80 km/h:
60.8
dB at 100 km/h:
65.4
dB at 120 km/h:
68.5
dB at 140 km/h:
72.0