Austone SP 901 vs Semperit Speed Grip 5
In the 2 independent tests that ran both tyres, the Semperit Speed Grip 5 finished ahead 2 times and the SP 901 not once. The SP 901 was stronger in snow, the Speed Grip 5 in wet.
Performance profile
Their shared tests recorded too few of the same measurements to chart, so the chart starts from each tyre's Tyre Reviews Score categories: its whole record, not shared tests.
Where each scores higher
SP 901
Speed Grip 5
Point at or tap any spoke for both tyres' figures.
Category scores are percentiles among tyres of the same season and class: 90 means this tyre out-performs 90% of them, measured across every test we hold, not only the ones it appeared in.
Where owners rate each higher
SP 901
Not ahead in any category
Speed Grip 5
Point at or tap any spoke for both tyres' figures.
Owners rate the SP 901 35% from 3 reviews and the Speed Grip 5 92% from 3. Each spoke is one question owners answer out of 10; reviews are vetted by hand before publication.
Every measurement, side by side
Averages of the figures both tyres posted in the same tests. The gap is the average of each test's own gap, so figures from different cars and years are never mixed. Wins count the tests in which each tyre did better.
| Measurement | SP 901 | Gap | Speed Grip 5 | Wins |
|---|---|---|---|---|
| Wet Speed Grip 5 ahead | ||||
| Wet Braking m | 39.4 | 8.4% | 36 | 0-2 |
| Snow SP 901 ahead | ||||
| Snow Braking m | 30.7 | 1.9% | 31.3 | 1-0 |
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 2 tests, 2022 to 2023
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 | SP 901 | Field | Speed Grip 5 |
|---|---|---|---|
| 2023 Winter Tyre Test 54 Set Braking Test | P24 of 54 | P19 of 54 | |
| 2022 Winter Tyre Market Overview | P52 of 56 | P10 of 56 |
SP 901 vs Speed Grip 5: your questions
Is the Austone SP 901 or the Semperit Speed Grip 5 the better tyre?
In the 2 independent tests that ran both tyres, the Semperit Speed Grip 5 finished ahead 2 times and the SP 901 not once. On the Tyre Reviews Score, which weighs every test and review we hold, the SP 901 scores 4.7 and the Speed Grip 5 8.5 out of 10.
Which is better in the wet, the SP 901 or the Speed Grip 5?
The Speed Grip 5 led 2 of the 2 wet measurements the shared tests recorded. On average it stopped 8.4% shorter in the wet across 2 tests.
Which is better in snow?
The SP 901 led 1 of the 1 snow measurements the shared tests recorded.
Which is quieter and more comfortable?
Owners rate comfort 2.7/10 for the SP 901 and 8.3/10 for the Speed Grip 5.
What do owners say?
Owners rate the SP 901 35% from 3 reviews and the Speed Grip 5 92% from 3.
Are they available in the same sizes?
The SP 901 is made in 105 sizes (14 to 21 inch) and the Speed Grip 5 in 90 (14 to 21 inch). 61 sizes are available in both. On the EU label the SP 901 is graded C for wet grip and D for rolling resistance in most sizes; the Speed Grip 5 C and C.
Which is the newer tyre?
The Speed Grip 5 is the newer design: it reached the market in 2021, the SP 901 in 2016. 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.