Cooper Discoverer Winter vs Nankang Winter Activa SV 4: the full picture
This comparison is built only from published independent tests — no manufacturer claims and no sponsored reviews. Between them, the Cooper Discoverer Winter and Nankang Winter Activa SV 4 appear in 6 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 Discoverer Winter performs. It takes the win in wet, dry, snow, noise / comfort, mileage, efficiency. Its overall Tire Lab Score is 91/100, based on 4 tests.
How the Nankang Winter Activa SV 4 performs. It takes the win in ice. Its overall Tire Lab Score is 68/100, based on 2 tests.
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 Discoverer Winter is the stronger all-round choice, leading in wet and Tire Lab Score. The Nankang Winter Activa SV 4 still wins on ice, making it the right pick if that matters most to you.
Which one should you buy?
Choose Cooper Discoverer Winter if
- You prioritise wet
- You prioritise dry
- You prioritise snow
- You prioritise ice
Test profile
| Metric | Cooper Discoverer Winter | Nankang Winter Activa SV 4 |
|---|---|---|
| Segment | Winter | Winter |
| Type | Winter | Winter |
| Tests used | 4 | 2 |
| Best rank | #1 | #1 |
| Avg rank | 7.6 | 22.9 |
| Latest test | 2022 | 2025 |
| Tire Lab Score | 90.5 | 68.3 |
Tire Lab Score
Cooper Discoverer Winter
Nankang Winter Activa SV 4
Performance overview
Category-by-category results
| Category | Cooper Discoverer Winter | Nankang Winter Activa SV 4 | Winner |
|---|---|---|---|
| 💧Wet | Avg rank 7.2 11 | Avg rank 26.3 | Cooper Discoverer Winter |
| ☀️Dry | Avg rank 7.2 | Avg rank 22.0 | Cooper Discoverer Winter |
| ❄️Snow | Avg rank 7.1 | Avg rank 26.5 | Cooper Discoverer Winter |
| 🧊Ice | No data | Avg rank 29.0 | Nankang Winter Activa SV 4 |
| 🔇Noise / Comfort | Avg rank 6.8 2 | Avg rank 16.0 | Cooper Discoverer Winter |
| 📏Mileage | Avg rank 11.0 | Avg rank 15.5 1 | Cooper Discoverer Winter |
| 🔋Efficiency | Avg rank 3.7 1 | Avg rank 4.0 | Cooper Discoverer Winter |
💧 Wet: Cooper Discoverer Winter vs Nankang Winter Activa SV 4
The Cooper Discoverer Winter wins this category with an average rank of 7.2, compared to 26.3 for the Nankang Winter Activa SV 4.
☀️ Dry: Cooper Discoverer Winter vs Nankang Winter Activa SV 4
The Cooper Discoverer Winter wins this category with an average rank of 7.2, compared to 22.0 for the Nankang Winter Activa SV 4.
❄️ Snow: Cooper Discoverer Winter vs Nankang Winter Activa SV 4
The Cooper Discoverer Winter wins this category with an average rank of 7.1, compared to 26.5 for the Nankang Winter Activa SV 4.
🧊 Ice: Cooper Discoverer Winter vs Nankang Winter Activa SV 4
The Nankang Winter Activa SV 4 wins this category with an average rank of 29.0, compared to no data for the Cooper Discoverer Winter.
🔇 Noise / Comfort: Cooper Discoverer Winter vs Nankang Winter Activa SV 4
The Cooper Discoverer Winter wins this category with an average rank of 6.8, compared to 16.0 for the Nankang Winter Activa SV 4.
📏 Mileage: Cooper Discoverer Winter vs Nankang Winter Activa SV 4
The Cooper Discoverer Winter wins this category with an average rank of 11.0, compared to 15.5 for the Nankang Winter Activa SV 4.
🔋 Efficiency: Cooper Discoverer Winter vs Nankang Winter Activa SV 4
The Cooper Discoverer Winter wins this category with an average rank of 3.7, compared to 4.0 for the Nankang Winter Activa SV 4.
Frequently asked questions
Which is better in the wet, Cooper Discoverer Winter or Nankang Winter Activa SV 4?
Across independent wet-braking tests, the Cooper Discoverer Winter ranks higher on average than the Nankang Winter Activa SV 4.
Which has shorter dry braking distance?
The Cooper Discoverer Winter averages a better dry-braking rank than the Nankang Winter Activa SV 4 across the tests where both appeared.
Which tire is quieter and more comfortable?
On combined noise and comfort metrics, the Cooper Discoverer Winter ranks better than the Nankang Winter Activa SV 4.
Which tire lasts longer?
Based on wear and abrasion testing, the Cooper Discoverer Winter shows better mileage performance than the Nankang Winter Activa SV 4.
How many tests were used in this comparison?
Cooper Discoverer Winter appears in 4 independent tests, Nankang Winter Activa SV 4 in 2.
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Data aggregated from independent testing organizations including ADAC, Auto Bild, TCS, and Auto Motor und Sport. Read our methodology →