Pneumatici auto bridgestone estive 235/45 R20 T
235/45 R20 100W XL 
B 
A 
70 dB
B
A
70 dB
235/45 R20 96W
C
A
70 dB
C
A
70 dB
235/45 R20 100T XL
A
A 
69 dB
A
A
69 dB
235/45 R20 100T XL
C
A
70 dB
C
A
70 dB
235/45 R20 100W XL
D
B
71 dB
D
B
71 dB
235/45 R20 100Y XL RFT
B
A
68 dB
B
A
68 dB
235/45 R20 100Y XL RFT
B
A
68 dB
B
A
68 dB