Pneumatici auto bfgoodrich estive 225/40 R18 W
225/40 R18 92Y XL 
B 
A 
70 dB
B
A
70 dB
225/40 R18 88Y
C
A
71 dB
C
A
71 dB
225/40 R18 92Y XL
C
A
70 dB
C
A
70 dB
225/40 R18 92W XL
D
B 
69 dB
D
B
69 dB
225/40 R18 92Y XL
D
B
69 dB
D
B
69 dB
225/40 R18 92W XL
C
A
70 dB
C
A
70 dB
225/40 R18 92W XL
C
B
68 dB
C
B
68 dB