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Bridgestone Potenza Sport

305/30 R21 Bridgestone Potenza Sport variants


Bridgestone Potenza Sport is a summer tyre made in total of 170 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 305/30 R21 is 100mm wider than the narrowest dimension (205) and -10mm narrower than the widest one (295). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (305mm), which results in 91.5mm sidewall height. In 305/30 R21, there is only one possible speed index for Bridgestone Potenza Sport - "Y", which is good for speeds up to 300 km/h.

305/30 R21 104 Y XL

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Bridgestone Potenza Sport is made in 170 sizes, starting from 205/45 R17 up to 295/35 R22.

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305/30 R21 - Best summer tyres (according to tests)

#NameOur ratingTested in this dimensionTested in same width dimensionSegmentPrice
1. Continental Sportcontact 7
86.2%
93.9%
76%
Premium £315
104 Y
2. Bridgestone Potenza Sport
90.3%
89.7%
81%
Premium
3. Hankook iON evo
88.8%
Premium £398
104 Y + 1
4. Pirelli P ZERO PZ4
85.1%
79.2%
76.4%
Premium £347
100 Y + 8
5. Hankook Ventus Prime 4
75.7%
82.2%
78.9%
Premium £295
104 V + 1
6. Michelin Primacy 4! Newer model available: Michelin Primacy 4+
80.1%
83.2%
81%
Premium
7. Michelin Pilot Sport 4 S! Newer model available: Michelin Pilot Sport S 5
77.9%
85.3%
64.2%
Premium £348
104 Y
8. Yokohama Advan Sport V107
82.4%
92.3%
75.5%
Upper-middle £250
104 Y
9. Goodyear Eagle F1 Asymmetric 5! Newer model available: Goodyear Eagle F1 Asymmetric 6
91.7%
90.4%
77.2%
Premium