76
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
73/100
4 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated September 2026
Bridgestone B 391 vs Michelin Pilot Alpin 4 — Compared (September 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
92
/ 100
Objective (60%)
72/100
1 professional test
User signal (40%)
94/100
1,962 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Michelin Pilot Alpin 4 — better comfort, wet and handling. It leads or ties in every category we score.
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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)
Pilot Alpin 4 leads by 11
Why this score
| Source | B 391 | Pilot Alpin 4 |
|---|---|---|
| Professional tests (TWG score) | – | 88 |
| Tyre Reviews owners | 80 | 92 |
Wet
Score (0–100)
Pilot Alpin 4 leads by 21
Why this score
| Source | B 391 | Pilot Alpin 4 |
|---|---|---|
| Professional tests (TWG score) | – | 89 |
| Tyre Reviews owners | 70 | 95 |
Snow
Score (0–100)
Why this score
| Source | B 391 | Pilot Alpin 4 |
|---|---|---|
| Professional tests (TWG score) | – | 82 |
| Tyre Reviews owners | – | 92 |
Comfort
Score (0–100)
Pilot Alpin 4 leads by 29
Why this score
| Source | B 391 | Pilot Alpin 4 |
|---|---|---|
| Tyre Reviews owners | 65 | 91 |
Noise
Score (0–100)
Why this score
| Source | B 391 | Pilot Alpin 4 |
|---|---|---|
| Professional tests (TWG score) | – | 85 |
Treadwear
Score (0–100)
Pilot Alpin 4 leads by 6
Why this score
| Source | B 391 | Pilot Alpin 4 |
|---|---|---|
| Tyre Reviews owners | 85 | 93 |
Handling
Score (0–100)
Pilot Alpin 4 leads by 21
Why this score
| Source | B 391 | Pilot Alpin 4 |
|---|---|---|
| Tyre Reviews owners | 75 | 95 |
Scores at a glance
| Category | Bridgestone B 391 | Michelin Pilot Alpin 4 |
|---|---|---|
| Relative Score | 76 | 92 |
| Dry | 80 | 91 |
| Wet | 70 | 91 |
| Snow | – | 86 |
| Comfort | 65 | 94 |
| Noise | – | 88 |
| Treadwear | 85 | 91 |
| Handling | 75 | 96 |
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
76
/ 100
Tire A
92
/ 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 B 391 is widely regarded as a reliable, balanced original equipment tire best suited for conservative, daily driving. While it offers commendable durability and consistent performance across various weather conditions, it is frequently criticized for its intrusive road noise as the tread wears.
Pros
- High durability and long tread life
- Consistent, predictable grip in diverse weather conditions
- Stable and balanced handling for relaxed driving styles
Cons
- Noticeable increase in road noise as the tire ages
- Not suitable for performance or sporty driving
- Higher price point compared to competitors with similar performance metrics
Observations
- Owners of compact vehicles like the Ford Fiesta report the tire is well-suited for standard commuting and highway use.
- Drivers of smaller hatchbacks, such as the Fiat Punto, noted that road noise can become particularly intrusive depending on the vehicle's cabin insulation.
The Michelin Pilot Alpin 4 is widely regarded as a premier performance winter tire, offering an exceptional balance of cold-weather safety and dry-road handling characteristics. Users consistently praise its ability to maintain sporty driving dynamics in snow, ice, and wet conditions, often noting that it feels remarkably similar to a summer tire in terms of feedback and stability.
Pros
- Outstanding traction and confidence in snow, ice, and freezing wet conditions.
- Superior dry-road handling and steering feedback compared to typical winter tires.
- High level of comfort and relatively low road noise for a performance-oriented winter compound.
- Excellent longevity and tread life, with many users reporting multiple seasons of use.
Cons
- Premium price point compared to competitors.
- Some reports of increased noise levels at high highway speeds.
- Not intended for high-speed sustained driving (above 190-200 km/h) due to deep tread patterns.
- Can feel slightly 'mushy' or soft in initial steering response compared to dedicated summer performance tires.
Observations
- Users with high-performance RWD vehicles (e.g., BMW, Mustang) report significantly improved winter drivability and confidence.
- Drivers of performance-oriented SUVs (e.g., Audi SQ5, BMW X3) note that the tire maintains vehicle agility while providing necessary winter safety.
- Some users noted that the tire's performance is best suited for high-torque, sporty vehicles, and may be 'overkill' or too expensive for standard commuter cars.
Specifications
Specs side by side
| Attribute | A · Bridgestone B 391 | B · Michelin Pilot Alpin 4 |
|---|---|---|
| Category | All Season Premium Touring tires | Winter Ultra High Performance tires |
| Vehicle type | Passenger Car / Crossover | Passenger Car / Crossover |
Final verdict
Which one should you actually buy?
76
/ 100
Bridgestone
92
/ 100
Michelin
Winner: Michelin Pilot Alpin 4 — better comfort, wet and handling. It leads or ties in every category we score.
Pick tire B
You want the most comfortable ride
Michelin Pilot Alpin 4 scores 94 vs 65 on comfort.
Pick tire B
Your priority is wet-weather safety
Michelin Pilot Alpin 4 scores 91 vs 70 on wet.
Pick tire B
You enjoy sharp, responsive handling
Michelin Pilot Alpin 4 scores 96 vs 75 on handling.
Pick tire B
You want the most grip on dry roads
Michelin Pilot Alpin 4 scores 91 vs 80 on dry.
Tire A · Bridgestone B 391
Tire B · Michelin Pilot Alpin 4
More comparisons
Also compared with
Bridgestone B 391 also compared with
Michelin Pilot Alpin 4 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.