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 Pilot Primacy — 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
77
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
74/100
52 owner reviews
Prices change daily — check the retailer for your size.
VerdictToo close to call: Bridgestone Alenza AS Ultra and Michelin Pilot Primacy are within 2 points overall. Bridgestone Alenza AS Ultra is stronger on comfort, dry and wet. Michelin Pilot Primacy is stronger on treadwear.
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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 8
Why this score
| Source | Alenza AS Ultra | Pilot Primacy |
|---|---|---|
| Tire Rack owners | 91 | – |
| Tyre Reviews owners | 82 | 80 |
Wet
Score (0–100)
Alenza AS Ultra leads by 7
Why this score
| Source | Alenza AS Ultra | Pilot Primacy |
|---|---|---|
| Tire Rack owners | 88 | – |
| Tyre Reviews owners | 76 | 76 |
Snow
Score (0–100)
Why this score
| Source | Alenza AS Ultra | Pilot Primacy |
|---|---|---|
| Tire Rack owners | 78 | – |
| Tyre Reviews owners | 68 | – |
Comfort
Score (0–100)
Alenza AS Ultra leads by 12
Why this score
| Source | Alenza AS Ultra | Pilot Primacy |
|---|---|---|
| Tire Rack owners | 85 | – |
| Tyre Reviews owners | 74 | 71 |
Noise
Score (0–100)
Treadwear
Score (0–100)
Pilot Primacy leads by 19
Why this score
| Source | Alenza AS Ultra | Pilot Primacy |
|---|---|---|
| Tire Rack owners | 78 | – |
| Tyre Reviews owners | 55 | 85 |
Handling
Score (0–100)
Alenza AS Ultra leads by 6
Why this score
| Source | Alenza AS Ultra | Pilot Primacy |
|---|---|---|
| Tyre Reviews owners | 74 | 68 |
Scores at a glance
| Category | Bridgestone Alenza AS Ultra | Michelin Pilot Primacy |
|---|---|---|
| Relative Score | 78 | 77 |
| Dry | 88 | 80 |
| Wet | 83 | 76 |
| Snow | 81 | – |
| Comfort | 83 | 71 |
| Noise | 80 | – |
| Treadwear | 66 | 85 |
| Handling | 74 | 68 |
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
77
/ 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 Pilot Primacy is widely regarded as a high-longevity touring tire that excels in daily driving conditions but often falls short for enthusiasts seeking sporty handling. While many users praise its exceptional tread life and consistent wet-weather safety, a significant portion of the user base reports issues with excessive road noise and a lack of steering feedback.
Pros
- Exceptional tread life and durability
- Consistent and reliable wet-weather grip
- High levels of comfort for daily commuting
- Predictable and safe handling characteristics
Cons
- High levels of road noise and cabin drone
- Expensive price point compared to competitors
- Lack of steering precision and sporty feedback
- Tendency for rubber to harden and crack over long periods
Observations
- Users with diesel-powered vehicles often noted that higher tire pressures were required to prevent uneven shoulder wear.
- Drivers of performance-oriented vehicles frequently reported that the soft sidewalls resulted in poor cornering feedback and premature shoulder wear during spirited driving.
- Owners of heavier sedans and people carriers reported the best balance of comfort and longevity, often achieving high mileage figures.
Specifications
Specs side by side
| Attribute | A · Bridgestone Alenza AS Ultra | B · Michelin Pilot Primacy |
|---|---|---|
| Category | All Season Premium Touring tires | Summer 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
77
/ 100
Michelin
Too close to call: Bridgestone Alenza AS Ultra and Michelin Pilot Primacy are within 2 points overall. Bridgestone Alenza AS Ultra is stronger on comfort, dry and wet. Michelin Pilot Primacy is stronger on treadwear.
Pick tire B
You want the longest tread life
Michelin Pilot Primacy scores 85 vs 66 on treadwear.
Pick tire A
You want the most comfortable ride
Bridgestone Alenza AS Ultra scores 83 vs 71 on comfort.
Pick tire A
You want the most grip on dry roads
Bridgestone Alenza AS Ultra scores 88 vs 80 on dry.
Pick tire A
Your priority is wet-weather safety
Bridgestone Alenza AS Ultra scores 83 vs 76 on wet.
Tire A · Bridgestone Alenza AS Ultra
Tire B · Michelin Pilot Primacy
More comparisons
Also compared with
Bridgestone Alenza AS Ultra also compared with
Michelin Pilot Primacy 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.