CST AD-R8
EU tyre label for every size: 37 sizes of this summer tyre compared with the rest of the market
The CST AD-R8 is a summer tyre for passenger cars. Its supplier has registered it in the EU product database (EPREL) in 37 sizes (37 registrations including load and speed variants), for 16″ to 20″ rims.
Wet grip is rated B in every size, fuel efficiency C–D and external rolling noise 71–73 dB.
The label depends on the size. Sorted by wet grip, then fuel efficiency, then noise, the best-labelled size on sale is 215/65 R16 (Wet grip B · Fuel efficiency C · 71 dB), the weakest 255/55 R19 (Wet grip B · Fuel efficiency D · 72 dB).
On the EU market since January 2020; the earliest production week registered is 01/2020.
How it compares in its sizes
We compared each size with all other summer tyres of the same size and class in EPREL (37 sizes had at least four rivals). A size scores when its label is at least as good as 75% of them.
Strongest point: wet grip. Weakest point: rolling noise, where most same-size rivals do as well or better.
What the label means on the road (215/65R16)
Example: the 215/65R16 size, compared with the 860 other summer tyres registered in this size.
Wet braking from 80 km/h
≈37 m with class B, against ≈41 m for the most common class in this size (C).
Fuel efficiency
Class C, the most common class in this size: no difference to the typical tyre.
Rolling noise
71 dB against a median of 71 dB in this size.
Estimates from the class ranges in Regulation (EU) 2020/740. A label class is a range, so a real tyre can sit anywhere inside it. Every 3 dB doubles the sound energy.
All 37 sizes
The small figure under each class is the share of same-size, same-season tyres this size matches or beats (“–” when fewer than five tyres share the size).
| Size | Load / speed | Wet | Fuel | Noise | Snow / ice | Production from |
|---|---|---|---|---|---|---|
| 16″ rims | ||||||
| 215/65R16 | 98H | B87% | C82% | 71 dBB69% | — | 01/2020 |
| 17″ rims | ||||||
| 215/60R17 | 96V | B85% | C74% | 71 dBB63% | — | 01/2020 |
| 225/60R17 | 99V | B86% | C84% | 71 dBB65% | — | 01/2020 |
| 225/65R17 | 102V | B89% | C84% | 71 dBB68% | — | 01/2020 |
| 235/55R17 | 99V | B75% | D21% | 71 dBB71% | — | 01/2020 |
| 235/65R17 | 108V RF | B89% | D26% | 72 dBB40% | — | 01/2020 |
| 255/60R17 | 106V | B89% | D28% | 72 dBB66% | — | 01/2020 |
| 18″ rims | ||||||
| 215/55R18 | 95H | B83% | C71% | 71 dBB66% | — | 01/2020 |
| 225/55R18 | 98V | B79% | C69% | 71 dBB63% | — | 01/2020 |
| 225/60R18 | 100V | B84% | C72% | 71 dBB68% | — | 01/2020 |
| 235/50ZR18 | 101W RF | B89% | D13% | 72 dBB42% | — | 01/2020 |
| 235/55ZR18 | 100W | B84% | D6% | 71 dBB76% | — | 01/2020 |
| 235/60R18 | 107V RF | B83% | C70% | 72 dBB40% | — | 01/2020 |
| 235/65R18 | 106V | B90% | D14% | 71 dBB78% | — | 01/2020 |
| 245/60R18 | 105V | B96% | D25% | 71 dBB82% | — | 01/2020 |
| 255/55ZR18 | 109W RF | B86% | C81% | 73 dBB46% | — | 01/2020 |
| 255/60R18 | 112V RF | B87% | C78% | 73 dBB43% | — | 01/2020 |
| 265/60R18 | 110V | B91% | C81% | 72 dBB75% | — | 01/2020 |
| 285/60R18 | 120V RF | B93% | C90% | 73 dBB74% | — | 01/2020 |
| 19″ rims | ||||||
| 225/55R19 | 99V | B78% | D18% | 71 dBB65% | — | 01/2020 |
| 235/50ZR19 | 99W | B83% | D10% | 71 dBB68% | — | 01/2020 |
| 235/55ZR19 | 101W | B81% | D8% | 71 dBB69% | — | 01/2020 |
| 245/55R19 | 103V | B89% | D19% | 71 dBB75% | — | 01/2020 |
| 255/50ZR19 | 107W RF | B85% | C77% | 73 dBB40% | — | 01/2020 |
| 255/55R19 | 107V | B77% | D14% | 72 dBB70% | — | 01/2020 |
| 20″ rims | ||||||
| 235/55R20 | 102V | B77% | C61% | 71 dBB69% | — | 01/2020 |
| 245/45ZR20 | 103W RF | B83% | C84% | 72 dBB46% | — | 01/2020 |
| 245/50ZR20 | 102W | B97% | D16% | 71 dBB65% | — | 01/2020 |
| 255/45ZR20 | 105W RF | B77% | C82% | 73 dBB38% | — | 01/2020 |
| 255/55ZR20 | 110W RF | B86% | C77% | 73 dBB36% | — | 01/2020 |
| 265/50ZR20 | 111W RF | B79% | C84% | 73 dBB47% | — | 01/2020 |
| 275/40ZR20 | 106W RF | B78% | C86% | 73 dBB45% | — | 01/2020 |
| 275/45ZR20 | 110W RF | B77% | C84% | 73 dBB47% | — | 01/2020 |
| 275/50ZR20 | 109W | B76% | C80% | 72 dBB84% | — | 01/2020 |
| 275/55R20 | 117V RF | B97% | C85% | 73 dBB49% | — | 01/2020 |
| 285/50R20 | 116V RF | B92% | C83% | 73 dBB74% | — | 01/2020 |
| 305/50R20 | 120V RF | B100% | C100% | 73 dBB91% | — | 01/2020 |
Best-labelled summer tyres in 215/65R16
Other tyres on sale in the same size, sorted by wet grip, then noise, then fuel efficiency.
All tyres in 215/65 R16, ranked by label →
- Bridgestone Turanza T005A B 66 dB
- Autogreen SportChaser-SC2A D 67 dB
- Envoy AternaA C 68 dB
- Nokian Tyres Wetproof 1A C 68 dB
- Yokohama BluEarth-XT AE61A C 68 dB
- Arivo Premio Eco 6A C 68 dB
Questions
Is the CST AD-R8 a quiet tyre?
Its declared rolling noise ranges from 71 dB to 73 dB (median 72 dB). In 14% of the sizes we could compare, it is at least as quiet as three quarters of same-size rivals.
How good is the CST AD-R8 in the wet?
Its wet grip class is B. In 100% of compared sizes that is at least as good as three quarters of same-size rivals.
Is the CST AD-R8 suitable for snow?
No size carries the 3PMSF symbol, so it is not certified for severe snow. In countries with winter tyre rules it does not count as a winter tyre.
When was the CST AD-R8 launched?
It has been on the EU market since January 2020. The earliest production week in its registrations is 01/2020; the DOT code on the sidewall shows the week and year of your tyre.
More from CST
Source: EPREL, the European Commission’s product registry for energy labelling — 37 registrations, data as of 23 October 2026. Suppliers have updated 37 of these registrations since first publication. Label values are the supplier’s declaration.