CST Medallion All Season ACP1 vs Goodyear Vector 4Seasons Gen 3: the full picture
This comparison is built only from published independent tests — no manufacturer claims and no sponsored reviews. Between them, the CST Medallion All Season ACP1 and Goodyear Vector 4Seasons Gen 3 appear in 40 tests, 5 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 All Season ACP1 performs. It takes the win in mileage, efficiency. Its overall Tire Lab Score is 81/100, based on 5 tests.
How the Goodyear Vector 4Seasons Gen 3 performs. It takes the win in wet, dry, snow, ice, noise / comfort. Its overall Tire Lab Score is 93/100, based on 35 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 Goodyear Vector 4Seasons Gen 3 is the stronger all-round choice, leading in wet and Tire Lab Score. The CST Medallion All Season ACP1 still wins on mileage, making it the right pick if that matters most to you.
Which one should you buy?
- You prioritise mileage
- You prioritise efficiency
Choose Goodyear Vector 4Seasons Gen 3 if
- You prioritise wet
- You prioritise dry
- You prioritise snow
Test profile
| Metric | CST Medallion All Season ACP1 | Goodyear Vector 4Seasons Gen 3 |
|---|---|---|
| Segment | Touring | Touring |
| Type | All Season | All Season |
| Tests used | 5 | 35 |
| Best rank | #2 | #1 |
| Avg rank | 16.5 | 5.7 |
| Latest test | 2025 | 2026 |
| Tire Lab Score | 81.1 | 92.7 |
Tire Lab Score
Goodyear Vector 4Seasons Gen 3
Performance overview
Category-by-category results
| Category | CST Medallion All Season ACP1 | Goodyear Vector 4Seasons Gen 3 | Winner |
|---|---|---|---|
| 💧Wet | Avg rank 16.3 1 | Avg rank 5.0 81122 | Goodyear Vector 4Seasons Gen 3 |
| ☀️Dry | Avg rank 24.4 | Avg rank 7.2 345 | Goodyear Vector 4Seasons Gen 3 |
| ❄️Snow | Avg rank 14.0 | Avg rank 4.5 5623 | Goodyear Vector 4Seasons Gen 3 |
| 🧊Ice | Avg rank 16.0 | Avg rank 3.0 1 | Goodyear Vector 4Seasons Gen 3 |
| 🔇Noise / Comfort | Avg rank 8.5 1 | Avg rank 5.6 998 | Goodyear Vector 4Seasons Gen 3 |
| 📏Mileage | Avg rank 5.0 | Avg rank 6.5 212 | CST Medallion All Season ACP1 |
| 🔋Efficiency | Avg rank 5.0 | Avg rank 6.4 33 | CST Medallion All Season ACP1 |
Tests used in this comparison
Both tires were measured head-to-head in these 5 independent tests:
💧 Wet: CST Medallion All Season ACP1 vs Goodyear Vector 4Seasons Gen 3
The Goodyear Vector 4Seasons Gen 3 wins this category with an average rank of 5.0, compared to 16.3 for the CST Medallion All Season ACP1.
☀️ Dry: CST Medallion All Season ACP1 vs Goodyear Vector 4Seasons Gen 3
The Goodyear Vector 4Seasons Gen 3 wins this category with an average rank of 7.2, compared to 24.4 for the CST Medallion All Season ACP1.
❄️ Snow: CST Medallion All Season ACP1 vs Goodyear Vector 4Seasons Gen 3
The Goodyear Vector 4Seasons Gen 3 wins this category with an average rank of 4.5, compared to 14.0 for the CST Medallion All Season ACP1.
🧊 Ice: CST Medallion All Season ACP1 vs Goodyear Vector 4Seasons Gen 3
The Goodyear Vector 4Seasons Gen 3 wins this category with an average rank of 3.0, compared to 16.0 for the CST Medallion All Season ACP1.
🔇 Noise / Comfort: CST Medallion All Season ACP1 vs Goodyear Vector 4Seasons Gen 3
The Goodyear Vector 4Seasons Gen 3 wins this category with an average rank of 5.6, compared to 8.5 for the CST Medallion All Season ACP1.
📏 Mileage: CST Medallion All Season ACP1 vs Goodyear Vector 4Seasons Gen 3
The CST Medallion All Season ACP1 wins this category with an average rank of 5.0, compared to 6.5 for the Goodyear Vector 4Seasons Gen 3.
🔋 Efficiency: CST Medallion All Season ACP1 vs Goodyear Vector 4Seasons Gen 3
The CST Medallion All Season ACP1 wins this category with an average rank of 5.0, compared to 6.4 for the Goodyear Vector 4Seasons Gen 3.
Frequently asked questions
Which is better in the wet, CST Medallion All Season ACP1 or Goodyear Vector 4Seasons Gen 3?
Across independent wet-braking tests, the Goodyear Vector 4Seasons Gen 3 ranks higher on average than the CST Medallion All Season ACP1.
Which has shorter dry braking distance?
The Goodyear Vector 4Seasons Gen 3 averages a better dry-braking rank than the CST Medallion All Season ACP1 across the tests where both appeared.
Which tire is quieter and more comfortable?
On combined noise and comfort metrics, the Goodyear Vector 4Seasons Gen 3 ranks better than the CST Medallion All Season ACP1.
Which tire lasts longer?
Based on wear and abrasion testing, the CST Medallion All Season ACP1 shows better mileage performance than the Goodyear Vector 4Seasons Gen 3.
How many tests were used in this comparison?
CST Medallion All Season ACP1 appears in 5 independent tests, Goodyear Vector 4Seasons Gen 3 in 35, with 5 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 →
