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Goodyear Assurance All-Season 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.
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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
Why this score
| Source | Assurance All-Season | BC100 |
|---|---|---|
| Professional tests (TWG score) | – | 75 |
| Tire Rack owners | 82 | – |
| Tyre Reviews owners | 80 | 75 |
| SimpleTire owners | 93 | – |
Wet
Why this score
| Source | Assurance All-Season | BC100 |
|---|---|---|
| Professional tests (TWG score) | – | 85 |
| Tire Rack owners | 71 | – |
| Tyre Reviews owners | 75 | 72 |
| SimpleTire owners | 88 | – |
Snow
Why this score
| Source | Assurance All-Season | BC100 |
|---|---|---|
| Tire Rack owners | 59 | – |
| Tyre Reviews owners | 30 | – |
| SimpleTire owners | 75 | – |
Comfort
Why this score
| Source | Assurance All-Season | BC100 |
|---|---|---|
| Tire Rack owners | 74 | – |
| Tyre Reviews owners | 85 | 72 |
| SimpleTire owners | 91 | – |
Noise
Why this score
| Source | Assurance All-Season | BC100 |
|---|---|---|
| Professional tests (TWG score) | – | 96 |
| SimpleTire owners | 89 | – |
Treadwear
Why this score
| Source | Assurance All-Season | BC100 |
|---|---|---|
| Tire Rack owners | 69 | – |
| Tyre Reviews owners | 20 | 73 |
| SimpleTire owners | 87 | – |
Handling
Why this score
| Source | Assurance All-Season | BC100 |
|---|---|---|
| Tyre Reviews owners | 65 | 66 |
| DriverReviews owners | – | 80 |
Scores at a glance
| Category | Goodyear Assurance All-Season | Sumitomo BC100 |
|---|---|---|
| Relative Score | 85 | 77 |
| Dry | 92 | 75 |
| Wet | 87 | 80 |
| Snow | 73 | – |
| Comfort | 90 | 72 |
| Noise | 89 | 96 |
| Treadwear | 84 | 73 |
| Handling | 65 | 66 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Weight the categories that matter to you
Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
Tire A
Tire B
Only categories both tires have data for count toward the headline score.
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Goodyear Assurance All Season is widely regarded as a budget-friendly, comfortable, and quiet tire suitable for daily commuting in moderate climates. While many users report excellent longevity and value, a notable segment of the user base experiences significant premature tread wear and subpar performance in heavy snow or icy conditions.
Pros
- High level of ride comfort and low road noise
- Excellent value for the price point
- Reliable dry and wet weather traction for non-aggressive drivers
- Strong tread life for many users, with some reporting over 60,000 miles
Cons
- Inconsistent tread life, with reports of premature wear well before the warranty limit
- Poor performance in winter conditions, specifically on ice and deep snow
- Occasional reports of vibration and balance issues immediately after installation
- Reduced traction during heavy rain compared to premium alternatives
Observations
- Users on mid-size SUVs like the Toyota RAV4 and Honda CR-V generally report high satisfaction regarding ride quality and noise levels.
- Drivers of heavier vehicles or those in mountainous, snowy regions report that the tire struggles to maintain grip, suggesting it is better suited for flat, temperate environments.
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.
Specs side by side
| Attribute | A · Goodyear Assurance All-Season | B · Sumitomo BC100 |
|---|---|---|
| Category | — | Summer Touring tires |
| Vehicle type | — | Passenger Car / Crossover |
| Sizes available | 51 | — |
| Rim diameters | 14″ – 20″ | — |
| Tread depth | 9/32″ | — |
| UTQG | 600 A B | — |
| Treadwear warranty | 65,000 mi | — |
| Sidewall | Blackwall | — |
| Max pressure | 51 psi | — |
Which one should you actually buy?
Goodyear
Sumitomo
Winner: Goodyear Assurance All-Season — better comfort, dry and treadwear. Pick the Sumitomo BC100 if noise matters most to you.
Goodyear Assurance All-Season scores 90 vs 72 on comfort.
Goodyear Assurance All-Season scores 92 vs 75 on dry.
Goodyear Assurance All-Season scores 84 vs 73 on treadwear.
Goodyear Assurance All-Season scores 87 vs 80 on wet.
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.