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 Dunlop RoadSmart III — 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
90
/ 100
Objective (60%)
74/100
1 professional test
User signal (40%)
89/100
16 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Dunlop RoadSmart III — better comfort, wet and dry. It leads or ties in every category we score.
Read full
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Category breakdown
5 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)
RoadSmart III leads by 15
Why this score
| Source | B 391 | RoadSmart III |
|---|---|---|
| Professional tests (TWG score) | – | 97 |
| Tyre Reviews owners | 80 | 91 |
Wet
Score (0–100)
RoadSmart III leads by 19
Why this score
| Source | B 391 | RoadSmart III |
|---|---|---|
| Tyre Reviews owners | 70 | 89 |
Comfort
Score (0–100)
RoadSmart III leads by 23
Why this score
| Source | B 391 | RoadSmart III |
|---|---|---|
| Tyre Reviews owners | 65 | 88 |
Treadwear
Score (0–100)
RoadSmart III leads by 4
Why this score
| Source | B 391 | RoadSmart III |
|---|---|---|
| Tyre Reviews owners | 85 | 89 |
Handling
Score (0–100)
RoadSmart III leads by 14
Why this score
| Source | B 391 | RoadSmart III |
|---|---|---|
| Tyre Reviews owners | 75 | 89 |
Scores at a glance
| Category | Bridgestone B 391 | Dunlop RoadSmart III |
|---|---|---|
| Relative Score | 76 | 90 |
| Dry | 80 | 95 |
| Wet | 70 | 89 |
| Comfort | 65 | 88 |
| Treadwear | 85 | 89 |
| Handling | 75 | 89 |
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
90
/ 100
Tire B
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 Dunlop RoadSmart III is highly regarded as a durable, high-performance sport-touring tire that excels in longevity without sacrificing significant grip. Users consistently praise its stability and confidence-inspiring handling across a variety of motorcycles, particularly heavy touring bikes and sportbikes used for long-distance travel.
Pros
- Exceptional tread life and mileage compared to dedicated sport tires.
- Sharp, responsive steering and handling characteristics.
- Consistent and reliable grip in both dry and wet road conditions.
- Stable performance under heavy loads, including luggage and pillion passengers.
Cons
- Occasional reports of rear-end slippage during aggressive cornering with power input.
- Front tire wear can be uneven or faster than expected depending on suspension setup.
- Some users noted a firm ride quality due to the stiff carcass construction.
Observations
- BMW K1600GTL owners report the tire is an excellent match for the bike's weight and touring demands.
- Sportbike riders (e.g., GSXR1000) appreciate the tire as a long-lasting alternative to pure sport rubber without losing agility.
- The stiff carcass design is noted to sharpen steering response, which is particularly beneficial for heavier touring motorcycles.
Specifications
Specs side by side
| Attribute | A · Bridgestone B 391 | B · Dunlop RoadSmart III |
|---|---|---|
| Category | All Season Premium Touring tires | Summer Premium Touring tires |
| Vehicle type | Passenger Car / Crossover | Motorcycle |
Final verdict
Which one should you actually buy?
76
/ 100
Bridgestone
90
/ 100
Dunlop
Winner: Dunlop RoadSmart III — better comfort, wet and dry. It leads or ties in every category we score.
Pick tire B
You want the most comfortable ride
Dunlop RoadSmart III scores 88 vs 65 on comfort.
Pick tire B
Your priority is wet-weather safety
Dunlop RoadSmart III scores 89 vs 70 on wet.
Pick tire B
You want the most grip on dry roads
Dunlop RoadSmart III scores 95 vs 80 on dry.
Pick tire B
You enjoy sharp, responsive handling
Dunlop RoadSmart III scores 89 vs 75 on handling.
Tire A · Bridgestone B 391
Tire B · Dunlop RoadSmart III
More comparisons
Also compared with
Bridgestone B 391 also compared with
Dunlop RoadSmart III 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.