77
/ 100
Objective (60%)
72/100
2 professional tests
User signal (40%)
82/100
9 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated September 2026
Kumho Solus HA31 vs Sumitomo BC100 — 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
77
/ 100
Objective (60%)
71/100
1 professional test
User signal (40%)
70/100
18 owner reviews
Prices change daily — check the retailer for your size.
VerdictToo close to call: Kumho Solus HA31 and Sumitomo BC100 are within 2 points overall. Kumho Solus HA31 is stronger on handling and comfort. Sumitomo BC100 is stronger on noise and dry.
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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)
BC100 leads by 3
Why this score
| Source | Solus HA31 | BC100 |
|---|---|---|
| Professional tests (TWG score) | 67 | 75 |
| Tyre Reviews owners | 80 | 75 |
| Dry Braking (% of best) | 90% | 96% |
Wet
Score (0–100)
Solus HA31 leads by 2
Why this score
| Source | Solus HA31 | BC100 |
|---|---|---|
| Professional tests (TWG score) | 84 | 85 |
| Tyre Reviews owners | 79 | 72 |
| Wet Braking (% of best) | 94% | 92% |
| Wet Handling (% of best) | 95% | 100% |
Snow
Score (0–100)
Why this score
| Source | Solus HA31 | BC100 |
|---|---|---|
| Professional tests (TWG score) | 75 | – |
| Tyre Reviews owners | 90 | – |
Comfort
Score (0–100)
Solus HA31 leads by 11
Why this score
| Source | Solus HA31 | BC100 |
|---|---|---|
| Tyre Reviews owners | 83 | 72 |
Noise
Score (0–100)
BC100 leads by 29
Why this score
| Source | Solus HA31 | BC100 |
|---|---|---|
| Professional tests (TWG score) | 67 | 96 |
Treadwear
Score (0–100)
Solus HA31 leads by 1
Why this score
| Source | Solus HA31 | BC100 |
|---|---|---|
| Tyre Reviews owners | 74 | 73 |
Handling
Score (0–100)
Solus HA31 leads by 14
Why this score
| Source | Solus HA31 | BC100 |
|---|---|---|
| Tyre Reviews owners | 80 | 66 |
| DriverReviews owners | – | 80 |
Scores at a glance
| Category | Kumho Solus HA31 | Sumitomo BC100 |
|---|---|---|
| Relative Score | 77 | 77 |
| Dry | 72 | 75 |
| Wet | 82 | 80 |
| Snow | 81 | – |
| Comfort | 83 | 72 |
| Noise | 67 | 96 |
| Treadwear | 74 | 73 |
| Handling | 80 | 66 |
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
77
/ 100
Tire A
77
/ 100
Tire B
Only categories both tires have data for count toward the headline score.
Test data
The professional test results behind the scores
Each result is shown as % of the best tire in that test. “Same test” rows are the strictest comparison: both tires were measured side by side.
| Discipline | Category | Tire A | Tire B | Δ | Both? |
|---|---|---|---|---|---|
| Dry Braking | Dry | 90% #12/31 · 2019 All Season Tyre Performance Overview | 96% #7/8 · 2019 Mid Range Tyre Test | -5.7 | Different tests |
| Rolling Resistance | Efficiency | 84% #9/10 · 2019 Auto Bild All Season Tyre Test | 91% #6/8 · 2019 Mid Range Tyre Test | -7 | Different tests |
| Noise | Other | 98% #3/10 · 2019 Auto Bild All Season Tyre Test | 100% #7/8 · 2019 Mid Range Tyre Test | -2.1 | Different tests |
| Overall Ranking | Overall | 13% #8/10 · 2019 Auto Bild All Season Tyre Test | 14% #7/8 · 2019 Mid Range Tyre Test | -1.8 | Different tests |
| Straight Aqua | Straight | 95% #7/10 · 2019 Auto Bild All Season Tyre Test | 93% #5/8 · 2019 Mid Range Tyre Test | +2.3 | Different tests |
| Wet Braking | Wet | 94% #6/31 · 2019 All Season Tyre Performance Overview | 92% #7/8 · 2019 Mid Range Tyre Test | +1.2 | Different tests |
| Wet Handling | Wet | 95% #8/10 · 2019 Auto Bild All Season Tyre Test | 100% #6/8 · 2019 Mid Range Tyre Test | -4 | Different tests |
From owners
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Kumho Solus HA31 is widely regarded as a capable and cost-effective all-season solution for drivers seeking reliable winter performance without the need for seasonal tire changes. While users consistently praise its traction in snow and wet conditions, some note a compromise in high-speed stability and road noise compared to dedicated summer tires.
Pros
- Exceptional traction and confidence in heavy snow and winter conditions
- Strong wet-weather grip and stability in windy conditions
- Excellent value proposition for daily commuters
- Reliable handling during cornering and highway on-ramps
Cons
- Increased road noise at higher speeds (70mph+)
- Noticeable softness in the tire compound during warmer temperatures
- Inconsistent performance feedback in dry, non-winter conditions
- Potential for reduced performance compared to premium all-weather alternatives
Observations
- Users report successful application on smaller, economical vehicles like the Kia Rio and Peugeot 107 for daily commuting.
- Owners of mid-size vehicles like the Nissan Altima noted a significant improvement in winter confidence compared to standard all-season tires.
The Sumitomo BC100 is generally regarded as a capable budget-friendly tire that offers surprising performance for daily commuting and standard driving conditions. While many users praise its wet and dry road confidence, others report inconsistent handling characteristics and premature wear, suggesting performance may vary significantly depending on vehicle weight and driving style.
Pros
- Excellent value for the price point
- Strong braking performance in emergency situations
- Reliable wet and dry traction for standard daily driving
- Good road-holding confidence for family-oriented vehicles
Cons
- Tendency toward understeer during aggressive cornering
- Reports of premature tread wear
- Increased road noise on certain vehicle types
- Inconsistent grip levels on imperfect road surfaces
Observations
- Heavier vehicles, such as the 1.8-ton Volvo V90, may experience traction loss during acceleration on imperfect surfaces.
- Users operating commercial vans reported poor handling and increased noise levels compared to passenger car users.
- Smaller, lighter vehicles like the Fiat 500 reported unpredictable handling transitions when pushed into corners.
Specifications
Specs side by side
| Attribute | A · Kumho Solus HA31 | B · Sumitomo BC100 |
|---|---|---|
| Category | All Season Touring tires | Summer Touring tires |
| Vehicle type | Passenger Car / Crossover | Passenger Car / Crossover |
Final verdict
Which one should you actually buy?
77
/ 100
Kumho
77
/ 100
Sumitomo
Too close to call: Kumho Solus HA31 and Sumitomo BC100 are within 2 points overall. Kumho Solus HA31 is stronger on handling and comfort. Sumitomo BC100 is stronger on noise and dry.
Pick tire B
You want a quieter cabin
Sumitomo BC100 scores 96 vs 67 on noise.
Pick tire A
You enjoy sharp, responsive handling
Kumho Solus HA31 scores 80 vs 66 on handling.
Pick tire A
You want the most comfortable ride
Kumho Solus HA31 scores 83 vs 72 on comfort.
Pick tire B
You want the most grip on dry roads
Sumitomo BC100 scores 75 vs 72 on dry.
Tire A · Kumho Solus HA31
Tire B · Sumitomo BC100
More comparisons
Also compared with
Kumho Solus HA31 also compared with
Sumitomo BC100 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.