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