Pneumatici auto bridgestone invernali 275/40 R20 T
275/40 R20 106W XL 
C 
B 
72 dB
C
B
72 dB
275/40 R20 106V XL
C
A
73 dB
C
A
73 dB
275/40 R20 106T XL
E
E
73 dB
E
E
73 dB
275/40 R20 106V XL
C
A
73 dB
C
A
73 dB