Pneumatici auto continental estive 285/40 R23 Y
285/40 R23 111Y XL 
C 
A 
75 dB
C
A
75 dB
285/40 R23 107Y
B
A
72 dB
B
A
72 dB
285/40 R23 107Y
B
A
B
A
285/40 R23 107Y
B
A
72 dB
B
A
72 dB
285/40 R23 111Y XL
C
A
73 dB
C
A
73 dB