Pneumatici auto yokohama estive 245/50 R18 W
245/50 R18 100W 
B 
A 
71 dB
B
A
71 dB
245/50 R18 104Y XL
D
A
72 dB
D
A
72 dB
245/50 R18 104W XL
D
A
70 dB
D
A
70 dB
245/50 R18 100W
B
A
71 dB
B
A
71 dB
245/50 R18 100W
B
A
B
A
245/50 R18 100W RFT
D
C
71 dB
D
C
71 dB
245/50 R18 100W RFT
C 
71 dB
C
71 dB