General Altimax One S vs Michelin Primacy 4 Plus: the full picture
This comparison is built only from published independent tests — no manufacturer claims and no sponsored reviews. Between them, the General Altimax One S and Michelin Primacy 4 Plus appear in 14 tests, 1 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 General Altimax One S performs. It does not lead any single category outright in this matchup. Its overall Tire Lab Score is 78/100, based on 4 tests.
How the Michelin Primacy 4 Plus performs. It takes the win in wet, dry, noise / comfort, mileage, efficiency. Its overall Tire Lab Score is 92/100, based on 10 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 Michelin Primacy 4 Plus is the stronger all-round choice, leading in wet and Tire Lab Score. The General Altimax One S making it the right pick if that matters most to you.
Which one should you buy?
- You prefer the General Altimax One S's brand, sizing or price
Choose Michelin Primacy 4 Plus if
- You prioritise wet
- You prioritise dry
- You prioritise noise / comfort
Test profile
| Metric | General Altimax One S | Michelin Primacy 4 Plus |
|---|---|---|
| Segment | Touring | Touring |
| Type | Summer | Summer |
| Tests used | 4 | 10 |
| Best rank | #7 | #1 |
| Avg rank | 31.2 | 6.5 |
| Latest test | 2023 | 2025 |
| Tire Lab Score | 78.3 | 92.3 |
Tire Lab Score
General Altimax One S
Michelin Primacy 4 Plus
Performance overview
Category-by-category results
| Category | General Altimax One S | Michelin Primacy 4 Plus | Winner |
|---|---|---|---|
| 💧Wet | Avg rank 33.2 | Avg rank 5.6 264 | Michelin Primacy 4 Plus |
| ☀️Dry | Avg rank 35.3 | Avg rank 4.6 45 | Michelin Primacy 4 Plus |
| 🔇Noise / Comfort | Avg rank 28.3 | Avg rank 8.3 215 | Michelin Primacy 4 Plus |
| 📏Mileage | Avg rank 22.0 | Avg rank 12.7 11 | Michelin Primacy 4 Plus |
| 🔋Efficiency | Avg rank 37.0 | Avg rank 7.7 | Michelin Primacy 4 Plus |
Tests used in this comparison
Both tires were measured head-to-head in these 1 independent test:
💧 Wet: General Altimax One S vs Michelin Primacy 4 Plus
The Michelin Primacy 4 Plus wins this category with an average rank of 5.6, compared to 33.2 for the General Altimax One S.
☀️ Dry: General Altimax One S vs Michelin Primacy 4 Plus
The Michelin Primacy 4 Plus wins this category with an average rank of 4.6, compared to 35.3 for the General Altimax One S.
🔇 Noise / Comfort: General Altimax One S vs Michelin Primacy 4 Plus
The Michelin Primacy 4 Plus wins this category with an average rank of 8.3, compared to 28.3 for the General Altimax One S.
📏 Mileage: General Altimax One S vs Michelin Primacy 4 Plus
The Michelin Primacy 4 Plus wins this category with an average rank of 12.7, compared to 22.0 for the General Altimax One S.
🔋 Efficiency: General Altimax One S vs Michelin Primacy 4 Plus
The Michelin Primacy 4 Plus wins this category with an average rank of 7.7, compared to 37.0 for the General Altimax One S.
Frequently asked questions
Which is better in the wet, General Altimax One S or Michelin Primacy 4 Plus?
Across independent wet-braking tests, the Michelin Primacy 4 Plus ranks higher on average than the General Altimax One S.
Which has shorter dry braking distance?
The Michelin Primacy 4 Plus averages a better dry-braking rank than the General Altimax One S across the tests where both appeared.
Which tire is quieter and more comfortable?
On combined noise and comfort metrics, the Michelin Primacy 4 Plus ranks better than the General Altimax One S.
Which tire lasts longer?
Based on wear and abrasion testing, the Michelin Primacy 4 Plus shows better mileage performance than the General Altimax One S.
How many tests were used in this comparison?
General Altimax One S appears in 4 independent tests, Michelin Primacy 4 Plus in 10, with 1 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 →