Pneumatici auto bridgestone estive 175/60 R19 Q
175/60 R19 90Q XL 
A 
B 
68 dB
A
B
68 dB
DOT 2022
175/60 R19 86Q
B
C 
6 dB
B
C
6 dB
175/60 R19 90Q XL
A
B
68 dB
A
B
68 dB
175/60 R19 86Q
C
C
70 dB
C
C
70 dB