CST Medallion Winter WCP1 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 CST Medallion Winter WCP1 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 CST Medallion Winter WCP1 performs. It takes the win in dry, efficiency. Its overall Tire Lab Score is 79/100, based on 4 tests.
How the Semperit Speed Grip 5 performs. It takes the win in wet, snow, ice, noise / comfort, 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 Semperit Speed Grip 5 is the stronger all-round choice, leading in wet and Tire Lab Score. The CST Medallion Winter WCP1 still wins on dry, making it the right pick if that matters most to you.
Which one should you buy?
- You prioritise dry
- You prioritise efficiency
Choose Semperit Speed Grip 5 if
- You prioritise wet
- You prioritise snow
- You prioritise ice
Test profile
| Metric | CST Medallion Winter WCP1 | Semperit Speed Grip 5 |
|---|---|---|
| Segment | Winter | Winter |
| Type | Winter | Winter |
| Tests used | 4 | 12 |
| Best rank | #1 | #1 |
| Avg rank | 16.1 | 11.0 |
| Latest test | 2025 | 2025 |
| Tire Lab Score | 78.9 | 89.7 |
Tire Lab Score
CST Medallion Winter WCP1
Semperit Speed Grip 5
Performance overview
Category-by-category results
| Category | CST Medallion Winter WCP1 | Semperit Speed Grip 5 | Winner |
|---|---|---|---|
| 💧Wet | Avg rank 19.7 1 | Avg rank 9.3 221 | Semperit Speed Grip 5 |
| ☀️Dry | Avg rank 4.5 1 | Avg rank 9.6 12 | CST Medallion Winter WCP1 |
| ❄️Snow | Avg rank 18.0 2 | Avg rank 11.1 112 | Semperit Speed Grip 5 |
| 🧊Ice | Avg rank 15.7 1 | Avg rank 12.7 | Semperit Speed Grip 5 |
| 🔇Noise / Comfort | Avg rank 11.3 1 | Avg rank 10.6 1 | Semperit Speed Grip 5 |
| 📏Mileage | Avg rank 14.0 | Avg rank 10.6 1 | Semperit Speed Grip 5 |
| 🔋Efficiency | Avg rank 3.0 1 | Avg rank 12.1 | CST Medallion Winter WCP1 |
Tests used in this comparison
Both tires were measured head-to-head in these 2 independent tests:
💧 Wet: CST Medallion Winter WCP1 vs Semperit Speed Grip 5
The Semperit Speed Grip 5 wins this category with an average rank of 9.3, compared to 19.7 for the CST Medallion Winter WCP1.
☀️ Dry: CST Medallion Winter WCP1 vs Semperit Speed Grip 5
The CST Medallion Winter WCP1 wins this category with an average rank of 4.5, compared to 9.6 for the Semperit Speed Grip 5.
❄️ Snow: CST Medallion Winter WCP1 vs Semperit Speed Grip 5
The Semperit Speed Grip 5 wins this category with an average rank of 11.1, compared to 18.0 for the CST Medallion Winter WCP1.
🧊 Ice: CST Medallion Winter WCP1 vs Semperit Speed Grip 5
The Semperit Speed Grip 5 wins this category with an average rank of 12.7, compared to 15.7 for the CST Medallion Winter WCP1.
🔇 Noise / Comfort: CST Medallion Winter WCP1 vs Semperit Speed Grip 5
The Semperit Speed Grip 5 wins this category with an average rank of 10.6, compared to 11.3 for the CST Medallion Winter WCP1.
📏 Mileage: CST Medallion Winter WCP1 vs Semperit Speed Grip 5
The Semperit Speed Grip 5 wins this category with an average rank of 10.6, compared to 14.0 for the CST Medallion Winter WCP1.
🔋 Efficiency: CST Medallion Winter WCP1 vs Semperit Speed Grip 5
The CST Medallion Winter WCP1 wins this category with an average rank of 3.0, compared to 12.1 for the Semperit Speed Grip 5.
Frequently asked questions
Which is better in the wet, CST Medallion Winter WCP1 or Semperit Speed Grip 5?
Across independent wet-braking tests, the Semperit Speed Grip 5 ranks higher on average than the CST Medallion Winter WCP1.
Which has shorter dry braking distance?
The CST Medallion Winter WCP1 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 Semperit Speed Grip 5 ranks better than the CST Medallion Winter WCP1.
Which tire lasts longer?
Based on wear and abrasion testing, the Semperit Speed Grip 5 shows better mileage performance than the CST Medallion Winter WCP1.
How many tests were used in this comparison?
CST Medallion Winter WCP1 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 →