Cooper Weather Master SA2 Plus vs Royal-Black Royal AS II: the full picture
This comparison is built only from published independent tests — no manufacturer claims and no sponsored reviews. Between them, the Cooper Weather Master SA2 Plus and Royal-Black Royal AS II appear in 7 tests, though they have not yet met head-to-head in the same test. Head-to-head results carry the most weight here, because surface, weather and test car all change between events and make raw numbers from different tests hard to compare directly.
How the Cooper Weather Master SA2 Plus performs. It takes the win in wet, dry, snow, noise / comfort, mileage, efficiency. Its overall Tire Lab Score is 85/100, based on 6 tests.
How the Royal-Black Royal AS II performs. It does not lead any single category outright in this matchup. It has limited comparative test data, so treat its results as indicative.
What this means for you. Category wins matter more than the overall score when your driving is weighted toward one condition — a wet-climate commuter should follow the wet braking column, while a high-mileage driver should follow wear and rolling resistance. Also check that both tires are actually offered in your size and load rating: performance can shift between sizes, and availability differs between the European and North American markets.
Verdict
The Cooper Weather Master SA2 Plus and Royal-Black Royal AS II are closely matched. Pick based on the category that matters most to your driving — wet, dry, comfort, mileage, or price.
Which one should you buy?
- You prioritise wet
- You prioritise dry
- You prioritise snow
- You prefer the Royal-Black Royal AS II's brand, sizing or price
Test profile
| Metric | Cooper Weather Master SA2 Plus | Royal-Black Royal AS II |
|---|---|---|
| Segment | Touring | Touring |
| Type | All Season | All Season |
| Tests used | 6 | 1 |
| Best rank | #1 | #1 |
| Avg rank | 13.3 | 29.7 |
| Latest test | 2021 | 2024 |
| Tire Lab Score | 85.4 | — |
Tire Lab Score
Royal-Black Royal AS II
Performance overview
Category-by-category results
| Category | Cooper Weather Master SA2 Plus | Royal-Black Royal AS II | Winner |
|---|---|---|---|
| 💧Wet | Avg rank 9.8 | Avg rank 37.0 | Cooper Weather Master SA2 Plus |
| ☀️Dry | Avg rank 12.2 | Avg rank 33.0 | Cooper Weather Master SA2 Plus |
| ❄️Snow | Avg rank 17.6 | No data | Cooper Weather Master SA2 Plus |
| 🔇Noise / Comfort | Avg rank 8.3 | No data | Cooper Weather Master SA2 Plus |
| 📏Mileage | Avg rank 20.0 | No data | Cooper Weather Master SA2 Plus |
| 🔋Efficiency | Avg rank 2.0 2 | No data | Cooper Weather Master SA2 Plus |
💧 Wet: Cooper Weather Master SA2 Plus vs Royal-Black Royal AS II
The Cooper Weather Master SA2 Plus wins this category with an average rank of 9.8, compared to 37.0 for the Royal-Black Royal AS II.
☀️ Dry: Cooper Weather Master SA2 Plus vs Royal-Black Royal AS II
The Cooper Weather Master SA2 Plus wins this category with an average rank of 12.2, compared to 33.0 for the Royal-Black Royal AS II.
❄️ Snow: Cooper Weather Master SA2 Plus vs Royal-Black Royal AS II
The Cooper Weather Master SA2 Plus wins this category with an average rank of 17.6, compared to no data for the Royal-Black Royal AS II.
🔇 Noise / Comfort: Cooper Weather Master SA2 Plus vs Royal-Black Royal AS II
The Cooper Weather Master SA2 Plus wins this category with an average rank of 8.3, compared to no data for the Royal-Black Royal AS II.
📏 Mileage: Cooper Weather Master SA2 Plus vs Royal-Black Royal AS II
The Cooper Weather Master SA2 Plus wins this category with an average rank of 20.0, compared to no data for the Royal-Black Royal AS II.
🔋 Efficiency: Cooper Weather Master SA2 Plus vs Royal-Black Royal AS II
The Cooper Weather Master SA2 Plus wins this category with an average rank of 2.0, compared to no data for the Royal-Black Royal AS II.
Frequently asked questions
Which is better in the wet, Cooper Weather Master SA2 Plus or Royal-Black Royal AS II?
Across independent wet-braking tests, the Cooper Weather Master SA2 Plus ranks higher on average than the Royal-Black Royal AS II.
Which has shorter dry braking distance?
The Cooper Weather Master SA2 Plus averages a better dry-braking rank than the Royal-Black Royal AS II across the tests where both appeared.
Which tire is quieter and more comfortable?
On combined noise and comfort metrics, the Cooper Weather Master SA2 Plus ranks better than the Royal-Black Royal AS II.
Which tire lasts longer?
Based on wear and abrasion testing, the Cooper Weather Master SA2 Plus shows better mileage performance than the Royal-Black Royal AS II.
How many tests were used in this comparison?
Cooper Weather Master SA2 Plus appears in 6 independent tests, Royal-Black Royal AS II in 1.
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Data aggregated from independent testing organizations including ADAC, Auto Bild, TCS, and Auto Motor und Sport. Read our methodology →
