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Pirelli P ZERO

305/25 R21 Pirelli P ZERO variants


Pirelli P ZERO is a summer tyre made in total of 307 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 305/25 R21 is 100mm wider than the narrowest dimension (205) and 30mm narrower than the widest one (335). This tyre profile of 25 means the sidewall height of the tyre is 25% of the tyre width (305mm), which results in 76.25mm sidewall height. In 305/25 R21, there is only one possible speed index for Pirelli P ZERO - "Y", which is good for speeds up to 300 km/h.

305/25 R21 98 Y

A
E
74dB

Pirelli P ZERO is made in 307 sizes, starting from 205/45 R17 up to 335/25 R22.

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305/25 R21 - Best summer tyres (according to tests)

#NameOur ratingTested in this dimensionTested in same width dimensionSegmentPrice
1. Michelin Pilot Sport 4 S
77.9%
85.3%
64.2%
Premium £354
98 Y
2. Continental Sportcontact 6! Newer model available: Continental SportContact 7
82.5%
90.9%
88.9%
Premium
3. Dunlop SP Sport MAXX RT
Premium
4. Pirelli P ZERO
87.5%
86.2%
77.3%
Premium
5. Michelin Pilot Super Sport
Premium