Pirelli P Zero Winter 2 vs Star Performer Stratos UHP
Ahead in each discipline
The Pirelli P Zero Winter 2 and the Star Performer Stratos UHP have met in one independent test so far, and the P Zero Winter 2 finished ahead. The P Zero Winter 2 was stronger in wet.
Performance profile
Their shared test recorded too few of the same measurements to chart, so the chart starts from each tire's Tire Reviews Score categories: its whole record, not the shared test.
Where each scores higher
P Zero Winter 2
Stratos UHP
Point at or tap any spoke for both tires' figures.
Category scores are percentiles among tires of the same season and class: 90 means this tire out-performs 90% of them, measured across every test we hold, not only the ones it appeared in.
Every measurement, side by side
Both tires' figures from the one test that ran them together, on the same car, in the same size, on the same day. The bar grows towards the tire that did better.
| Measurement | P Zero Winter 2 | Gap | Stratos UHP |
|---|---|---|---|
| Wet P Zero Winter 2 ahead | |||
| Wet Braking ft | 108 | 28.3% | 151 |
Braking distances and lap times are better when lower; speeds, wear and grip figures when higher. A test's figures are its own: sizes, cars, surfaces and temperatures differ from one to the next, which is why the averages here are only ever of tests the two tires shared.
Head to head in 1 test in 2026
Each row is one published test in which both tires ran on the same car, in the same size, on the same day. The line is the whole field, winner on the left.
| Test | P Zero Winter 2 | Field | Stratos UHP |
|---|---|---|---|
| 2026 Winter Tire Braking Test - 50 Sets | P1 of 50 | P40 of 50 |
P Zero Winter 2 vs Stratos UHP: your questions
Is the Pirelli P Zero Winter 2 or the Star Performer Stratos UHP the better tire?
The Pirelli P Zero Winter 2 and the Star Performer Stratos UHP have met in one independent test so far, and the P Zero Winter 2 finished ahead. On the Tire Reviews Score, which weighs every test and review we hold, the P Zero Winter 2 scores 9.8 and the Stratos UHP 5.1 out of 10.
Which is better in the wet, the P Zero Winter 2 or the Stratos UHP?
The P Zero Winter 2 led 1 of the 1 wet measurements the shared tests recorded.
Which is quieter and more comfortable?
Owners rate comfort 9/10 for the P Zero Winter 2 and 10/10 for the Stratos UHP.
What do owners say?
Owners rate the P Zero Winter 2 91% from 4 reviews and the Stratos UHP 98% from 1.
Are they available in the same sizes?
The P Zero Winter 2 is made in 66 sizes (18 to 23 inch) and the Stratos UHP in 1 (18 to 18 inch). 0 sizes are available in both. On the EU label the P Zero Winter 2 is graded A for wet grip and C for rolling resistance in most sizes; the Stratos UHP C and D.
More comparisons with these tires
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Your review is the part of this page no test can supply: how the tire wore, how it aged, what it was like in the rain in year three. It takes about five minutes.
Where this data comes from
Finishing positions and measurements are transcribed from each published test. A test only counts here when both tires ran in it, so every figure was recorded on the same car, size and day as the one it is compared to.
About the TR Score
The Tire Reviews Score rates each tire out of 10 from every independent test result and vetted owner review we hold, so two tires can be compared even before a test has run them together.
Who does the testing
Every test published as a Tire Reviews test is run by Jonathan Benson, who has been testing tires independently since 2007.