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CST Adreno AD R9

Touring Summer

The CST Adreno AD R9 is a Touring Summer tyre designed to be fitted to Passenger Cars.

The quick answer

Owners say No owner reviews yet. Review this tyre
Tests say 32nd average finish across 1 independent tests Latest: P32 of 50 · 2026 See every test

Built from every independent test result and vetted owner review we hold for this tyre - the evidence is all further down the page. Data updated February 2026.

  • 1professional tests
1 photos

Tyre Reviews Score

CST Adreno AD R9

7.4/10

Better than 50% of summer tyres

  • Limited Confidence
  • 1 test
Scores of the 406 summer tyres we have tested

How this score is built

Better than Weight
Independent tests1 test · 1 publication · 2026 50% 100%
Owner reviewsNo owner reviews yet – 0%
Combined 50% 7.4

A fixed curve turns the combined figure into the 0 to 10 score, so roughly the top 10% of a group score 9 or more.

Category by category

How it compares with other summer tyres in each area, and how much each area counts. 50 is the middle of the group.

Category Better than Weight Tests
WetBraking, handling and aquaplaning in the wet 45% 53% 1
DryBraking and handling on dry roads 54% 47% 1

Faded bars rest on one or two tests.

By discipline

The same results grouped by what the tyre was doing. They are not counted a second time.

BrakingEvery braking test, on any surface 44% 1

Confidence

  1. Limited
  2. Medium
  3. High

Its own test results decide 74% of the test figure. The other 26% is the average for its group, and it shrinks as more tests arrive.

High needs at least 3 tests, with its own results deciding 90% or more. Medium needs 2 tests and 70%. Anything less is Limited: expect the number to move as tests arrive.

The tests behind it

  1. 2026 2026 Summer Braking Super Tyre Test - How do 52 Tyres Perform in Wet and Dry Braking? Auto Bild · 245/45 R19 P32 / 50
All Tests
View Test Results
1 Tests
0 Test Wins
32nd Average
32nd Best
32nd Worst
YearTestResultAward
20262026 Summer Braking Super Tyre Test - How do 52 Tyres Perform in Wet and Dry Braking?Auto Bild · 245/45 R19P32 / 50
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Frequently Asked Questions
How good is the CST Adreno AD R9 in the wet?
Across the 1 wet-braking test it has featured in, the CST Adreno AD R9 stops 13.8% longer than premium rivals, 7.4% longer than mid-range rivals and 4.6% shorter than budget rivals. It has a Tyre Reviews wet score of 45/100.
How good is the CST Adreno AD R9 in the dry?
Across the 1 dry-braking test it has featured in, the CST Adreno AD R9 stops 7.3% longer than premium rivals, 3.6% longer than mid-range rivals and 2.7% shorter than budget rivals. It has a Tyre Reviews dry score of 54/100.
Owner Questions
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CST Adreno AD R9 Owner Reviews

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