Pneumatici auto pirelli invernali 235/45 R20
235/45 R20 100W XL 
C 
A 
70 dB
C
A
70 dB
235/45 R20 100V XL
B
B
71 dB
B
B
71 dB
235/45 R20 100H XL
B
A
72 dB
B
A
72 dB
235/45 R20 100W XL
C
C
72 dB
C
C
72 dB