Pneumatici auto yokohama invernali 315/40 R21
315/40 R21 115W XL 
C 
B 
74 dB
C
B
74 dB
315/40 R21 115W
C
B
C
B
315/40 R21 115V
C
C
C
C
315/40 R21 115V XL
C
C
74 dB
C
C
74 dB
315/40 R21 115Q XL
D
E
73 dB
D
E
73 dB