Cooper Discoverer Winter vs Semperit Speed Grip 5: 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 Semperit Speed Grip 5 appear in 16 tests, 2 of which put both tires on the same track on the same day. 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, efficiency. Its overall Tire Lab Score is 91/100, based on 4 tests.
How the Semperit Speed Grip 5 performs. It takes the win in ice, mileage. Its overall Tire Lab Score is 90/100, based on 12 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 Semperit Speed Grip 5 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
- You prioritise mileage
Test profile
| Metric | Cooper Discoverer Winter | Semperit Speed Grip 5 |
|---|---|---|
| Segment | Winter | Winter |
| Type | Winter | Winter |
| Tests used | 4 | 12 |
| Best rank | #1 | #1 |
| Avg rank | 7.6 | 11.0 |
| Latest test | 2022 | 2025 |
| Tire Lab Score | 90.5 | 89.7 |
Tire Lab Score
Cooper Discoverer Winter
Semperit Speed Grip 5
Performance overview
Category-by-category results
| Category | Cooper Discoverer Winter | Semperit Speed Grip 5 | Winner |
|---|---|---|---|
| 💧Wet | Avg rank 7.2 11 | Avg rank 9.3 221 | Cooper Discoverer Winter |
| ☀️Dry | Avg rank 7.2 | Avg rank 9.6 12 | Cooper Discoverer Winter |
| ❄️Snow | Avg rank 7.1 | Avg rank 11.1 112 | Cooper Discoverer Winter |
| 🧊Ice | No data | Avg rank 12.7 | Semperit Speed Grip 5 |
| 🔇Noise / Comfort | Avg rank 6.8 2 | Avg rank 10.6 1 | Cooper Discoverer Winter |
| 📏Mileage | Avg rank 11.0 | Avg rank 10.6 1 | Semperit Speed Grip 5 |
| 🔋Efficiency | Avg rank 3.7 1 | Avg rank 12.1 | Cooper Discoverer Winter |
Tests used in this comparison
Both tires were measured head-to-head in these 2 independent tests:
💧 Wet: Cooper Discoverer Winter vs Semperit Speed Grip 5
The Cooper Discoverer Winter wins this category with an average rank of 7.2, compared to 9.3 for the Semperit Speed Grip 5.
☀️ Dry: Cooper Discoverer Winter vs Semperit Speed Grip 5
The Cooper Discoverer Winter wins this category with an average rank of 7.2, compared to 9.6 for the Semperit Speed Grip 5.
❄️ Snow: Cooper Discoverer Winter vs Semperit Speed Grip 5
The Cooper Discoverer Winter wins this category with an average rank of 7.1, compared to 11.1 for the Semperit Speed Grip 5.
🧊 Ice: Cooper Discoverer Winter vs Semperit Speed Grip 5
The Semperit Speed Grip 5 wins this category with an average rank of 12.7, compared to no data for the Cooper Discoverer Winter.
🔇 Noise / Comfort: Cooper Discoverer Winter vs Semperit Speed Grip 5
The Cooper Discoverer Winter wins this category with an average rank of 6.8, compared to 10.6 for the Semperit Speed Grip 5.
📏 Mileage: Cooper Discoverer Winter vs Semperit Speed Grip 5
The Semperit Speed Grip 5 wins this category with an average rank of 10.6, compared to 11.0 for the Cooper Discoverer Winter.
🔋 Efficiency: Cooper Discoverer Winter vs Semperit Speed Grip 5
The Cooper Discoverer Winter wins this category with an average rank of 3.7, compared to 12.1 for the Semperit Speed Grip 5.
Frequently asked questions
Which is better in the wet, Cooper Discoverer Winter or Semperit Speed Grip 5?
Across independent wet-braking tests, the Cooper Discoverer Winter ranks higher on average than the Semperit Speed Grip 5.
Which has shorter dry braking distance?
The Cooper Discoverer Winter averages a better dry-braking rank than the Semperit Speed Grip 5 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 Semperit Speed Grip 5.
Which tire lasts longer?
Based on wear and abrasion testing, the Semperit Speed Grip 5 shows better mileage performance than the Cooper Discoverer Winter.
How many tests were used in this comparison?
Cooper Discoverer Winter appears in 4 independent tests, Semperit Speed Grip 5 in 12, with 2 head-to-head tests where both were measured.
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Data aggregated from independent testing organizations including ADAC, Auto Bild, TCS, and Auto Motor und Sport. Read our methodology →