Semperit Speed Grip 5 vs Starmaxx PolarMaxx Sport
Ahead in each discipline
The Semperit Speed Grip 5 and the Starmaxx PolarMaxx Sport have met in one independent test so far, and the Speed Grip 5 finished ahead. The Speed Grip 5 was stronger in wet.
Every measurement, side by side
Both tyres' 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 tyre that did better.
| Measurement | Speed Grip 5 | Gap | PolarMaxx Sport |
|---|---|---|---|
| Wet Speed Grip 5 ahead | |||
| Wet Braking m | 38.3 | 16.9% | 46.1 |
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 tyres shared.
Head to head in 1 test in 2026
Each row is one published test in which both tyres ran on the same car, in the same size, on the same day. The line is the whole field, winner on the left.
| Test | Speed Grip 5 | Field | PolarMaxx Sport |
|---|---|---|---|
| 2026 Winter Tyre Braking Test - 50 Sets | P13 of 50 | P41 of 50 |
Speed Grip 5 vs PolarMaxx Sport: your questions
Is the Semperit Speed Grip 5 or the Starmaxx PolarMaxx Sport the better tyre?
The Semperit Speed Grip 5 and the Starmaxx PolarMaxx Sport have met in one independent test so far, and the Speed Grip 5 finished ahead. On the Tyre Reviews Score, which weighs every test and review we hold, the Speed Grip 5 scores 8.5 and the PolarMaxx Sport 6.2 out of 10.
Which is better in the wet, the Speed Grip 5 or the PolarMaxx Sport?
The Speed Grip 5 led 1 of the 1 wet measurements the shared tests recorded.
What do owners say?
Owners rate the Speed Grip 5 92% from 3 reviews; the PolarMaxx Sport has no owner reviews yet.
Are they available in the same sizes?
The Speed Grip 5 is made in 90 sizes (14 to 21 inch) and the PolarMaxx Sport in 75 (16 to 22 inch). 50 sizes are available in both. On the EU label the Speed Grip 5 is graded C for wet grip and C for rolling resistance in most sizes; the PolarMaxx Sport B and C.
Which is the newer tyre?
The PolarMaxx Sport is the newer design: it reached the market in 2022, the Speed Grip 5 in 2021. The Speed Grip 5 replaced the Semperit Speed Grip 3.
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Run either of these?
Your review is the part of this page no test can supply: how the tyre 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 tyres 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 Tyre Reviews Score rates each tyre out of 10 from every independent test result and vetted owner review we hold, so two tyres can be compared even before a test has run them together.
Who does the testing
Every test published as a Tyre Reviews test is run by Jonathan Benson, who has been testing tyres independently since 2007.