Pneumatici auto hankook estive 255/55 R18 W
255/55 R18 109Y XL 
B 
A 
71 dB
B
A
71 dB
255/55 R18 105W
C
A
72 dB
C
A
72 dB
255/55 R18 109W XL
A
A 
68 dB
A
A
68 dB
255/55 R18 109Y XL
C
A
73 dB
C
A
73 dB
255/55 R18 105W
C
A
C
A