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Bridgestone Potenza RE050A 265/40 R 18 101Y XL vs. Avon Tyres ZT7 185/65 R 15 88T + 7

Diameter
18 inches
15 inches
19 inches
18 inches
17 inches
19 inches
19 inches
18 inches
17 inches
Profile
40 %
65 %
35 %
40 %
60 %
40 %
35 %
45 %
55 %
Roll circumference
2102.35 mm
1952.5 mm
2032.92 mm
2001.82 mm
2204.77 mm
2131.88 mm
2032.92 mm
2129.06 mm
2134.08 mm
Width
265 mm
185 mm
235 mm
225 mm
225 mm
245 mm
235 mm
245 mm
225 mm
Features
Suitable as all-season tyres
Puncture free
C-Type
No
No
No
No
No
No
No
No
No
Fuel efficiency (rolling resistance)
E
C
E
E
C
C
C
Load Index
101
88
91
92
99
98
91
96
101
Speed index
Y=300km/h
T=190km/h
Y=300km/h
Y=300km/h
H=210km/h
Y=300km/h
Y=300km/h
W=270km/h
Y=300km/h
Type of tyre
Passenger car
Passenger car
Passenger car
Passenger car
Passenger car
Passenger car
Tyre noise level (1-3)
2
Tyre noise level (dB)
71 dB
71 dB
71 dB
70 dB
71 dB
71 dB
Wet Grip (braking distance on wet surface)
C
A
A
B
A
A
A