78
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
79/100
12 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated May 2026
Bridgestone Alenza AS Ultra vs Michelin Primacy Alpin — Compared (May 2026)
Our Relative Score blends 60% objective test data with 40% owner-review signal — so any two tires can be compared even if they were never tested on the same day.
VS
87
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
87/100
5 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Michelin Primacy Alpin — better treadwear, wet and handling. Pick the Bridgestone Alenza AS Ultra if dry matters most to you.
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Category breakdown
7 categories, side by side
Each bar is the Relative Score for that category. Expand a tile to see the test results and owner ratings behind it.
Dry
Score (0–100)
Alenza AS Ultra leads by 4
Why this score
| Source | Alenza AS Ultra | Primacy Alpin |
|---|---|---|
| Tire Rack owners | 91 | – |
| Tyre Reviews owners | 82 | 84 |
Wet
Score (0–100)
Primacy Alpin leads by 13
Why this score
| Source | Alenza AS Ultra | Primacy Alpin |
|---|---|---|
| Tire Rack owners | 88 | – |
| Tyre Reviews owners | 76 | 96 |
Snow
Score (0–100)
Why this score
| Source | Alenza AS Ultra | Primacy Alpin |
|---|---|---|
| Tire Rack owners | 78 | – |
| Tyre Reviews owners | 68 | – |
Comfort
Score (0–100)
Primacy Alpin leads by 5
Why this score
| Source | Alenza AS Ultra | Primacy Alpin |
|---|---|---|
| Tire Rack owners | 85 | – |
| Tyre Reviews owners | 74 | 88 |
Noise
Score (0–100)
Treadwear
Score (0–100)
Primacy Alpin leads by 14
Why this score
| Source | Alenza AS Ultra | Primacy Alpin |
|---|---|---|
| Tire Rack owners | 78 | – |
| Tyre Reviews owners | 55 | 80 |
Handling
Score (0–100)
Primacy Alpin leads by 10
Why this score
| Source | Alenza AS Ultra | Primacy Alpin |
|---|---|---|
| Tyre Reviews owners | 74 | 84 |
Scores at a glance
| Category | Bridgestone Alenza AS Ultra | Michelin Primacy Alpin |
|---|---|---|
| Relative Score | 78 | 87 |
| Dry | 88 | 84 |
| Wet | 83 | 96 |
| Snow | 81 | – |
| Comfort | 83 | 88 |
| Noise | 80 | – |
| Treadwear | 66 | 80 |
| Handling | 74 | 84 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
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Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
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Recomputed
Headline score
78
/ 100
Tire A
87
/ 100
Tire B
Only categories both tires have data for count toward the headline score.
From owners
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Bridgestone Alenza AS Ultra presents a polarized user experience, characterized by a significant divide between those praising its wet and dry handling performance and those disappointed by its longevity and noise levels. While some users report exceptional tread life and reliable all-season traction, others cite premature wear and intrusive road noise, suggesting that performance may vary significantly based on vehicle application and driving conditions.
Pros
- Strong traction on both wet and dry road surfaces
- Improved ride comfort and handling compared to some factory-installed alternatives
- Capable performance in varied weather conditions for some users
- High durability reported by long-term users
Cons
- Reports of premature tread wear and short service life
- Noticeable road noise compared to other premium tires
- Inconsistent performance in severe winter conditions, particularly on ice and deep snow
- Potential for reduced fuel economy
Observations
- Users on heavy SUVs and trucks report mixed results, with some achieving high mileage while others experience rapid tread degradation.
- Drivers transitioning from OEM tires, such as the Bridgestone Ecopia, have noted a distinct increase in cabin noise levels.
- Regular maintenance, specifically rotations every 5,000 miles, is highlighted as critical for maximizing the lifespan of this tire.
The Michelin Primacy Alpin is highly regarded by users for its exceptional safety and reliability in cold, wet, and snowy conditions. While it excels in winter performance and longevity, some users note a slight reduction in fuel efficiency and a lack of the sharp steering feedback typically found in summer performance tires.
Pros
- Outstanding grip and braking performance on both packed and loose snow
- Superior wet-weather traction compared to standard summer tires
- Excellent tread life and durability over multiple winter seasons
- Quiet and comfortable ride quality
Cons
- Slightly reduced fuel economy compared to summer tires
- Less steering feedback and progressiveness than dedicated summer performance tires
- Limited traction in very deep snow conditions
- Potential for traction loss under heavy acceleration
Observations
- Users noted that the tire's performance in deep snow may be more dependent on the vehicle's drivetrain, specifically suggesting better results on front-wheel-drive platforms.
- The tire maintains consistent performance characteristics even when used on heavier diesel vehicles.
Specifications
Specs side by side
| Attribute | A · Bridgestone Alenza AS Ultra | B · Michelin Primacy Alpin |
|---|---|---|
| Category | All Season Premium Touring tires | Winter Premium Touring tires |
| Vehicle type | — | Passenger Car / Crossover |
| Sizes available | 46 | — |
| Rim diameters | 16″ – 22″ | — |
| Tread depth | 10/32″ | — |
| UTQG | 800 A A | — |
| Treadwear warranty | 80,000 mi | — |
| Sidewall | Blackwall | — |
| Max pressure | 44 psi | — |
Final verdict
Which one should you actually buy?
78
/ 100
Bridgestone
87
/ 100
Michelin
Winner: Michelin Primacy Alpin — better treadwear, wet and handling. Pick the Bridgestone Alenza AS Ultra if dry matters most to you.
Pick tire B
You want the longest tread life
Michelin Primacy Alpin scores 80 vs 66 on treadwear.
Pick tire B
Your priority is wet-weather safety
Michelin Primacy Alpin scores 96 vs 83 on wet.
Pick tire B
You enjoy sharp, responsive handling
Michelin Primacy Alpin scores 84 vs 74 on handling.
Pick tire B
You want the most comfortable ride
Michelin Primacy Alpin scores 88 vs 83 on comfort.
Tire A · Bridgestone Alenza AS Ultra
Tire B · Michelin Primacy Alpin
More comparisons
Also compared with
Bridgestone Alenza AS Ultra also compared with
Michelin Primacy Alpin also compared with
How do we compare tires?
Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements) normalized against the best tire in each test and weighted toward recent tests. 40% comes from thousands of owner reviews collected from retailers and review sites. When a tire has only one of the two, we use what exists and say so.
Community buzz from Reddit and forums is shown for context only — it never changes the score.