76
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
75/100
195 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated May 2026
Bridgestone Turanza ER300 vs Hankook Optimo K406 — 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
74
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
74/100
9 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Bridgestone Turanza ER300 — better treadwear, handling and comfort. Pick the Hankook Optimo K406 if dry and wet matter most to you.
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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)
Optimo K406 leads by 7
Why this score
| Source | Turanza ER300 | Optimo K406 |
|---|---|---|
| Tyre Reviews owners | 83 | 90 |
Wet
Score (0–100)
Optimo K406 leads by 7
Why this score
| Source | Turanza ER300 | Optimo K406 |
|---|---|---|
| Tyre Reviews owners | 76 | 83 |
Comfort
Score (0–100)
Turanza ER300 leads by 5
Why this score
| Source | Turanza ER300 | Optimo K406 |
|---|---|---|
| Tyre Reviews owners | 71 | 66 |
Treadwear
Score (0–100)
Turanza ER300 leads by 12
Why this score
| Source | Turanza ER300 | Optimo K406 |
|---|---|---|
| Tyre Reviews owners | 78 | 66 |
Handling
Score (0–100)
Turanza ER300 leads by 12
Why this score
| Source | Turanza ER300 | Optimo K406 |
|---|---|---|
| Tyre Reviews owners | 73 | 61 |
Scores at a glance
| Category | Bridgestone Turanza ER300 | Hankook Optimo K406 |
|---|---|---|
| Relative Score | 76 | 74 |
| Dry | 83 | 90 |
| Wet | 76 | 83 |
| Comfort | 71 | 66 |
| Treadwear | 78 | 66 |
| Handling | 73 | 61 |
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
74
/ 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 Turanza ER300 is widely regarded as a reliable, long-lasting touring tire that excels in dry conditions and provides predictable handling for daily commuting. While many users praise its longevity and consistent performance, a significant portion of the user base reports issues with increased road noise, a firm ride, and a noticeable decline in wet-weather grip as the tread wears down.
Pros
- Exceptional tread life and durability, with many users reporting high mileage.
- Strong, predictable dry-weather handling and stability.
- Good value for money as a premium touring option.
- Consistent performance across a wide variety of vehicle types.
Cons
- Significant road noise, particularly on older or rougher asphalt surfaces.
- Noticeable deterioration in wet-weather traction and braking as the tire ages.
- Firm, sometimes harsh ride quality that lacks comfort on uneven roads.
- Poor performance in snow and near-freezing temperatures.
Observations
- Users with heavier vehicles or high-torque diesel engines reported faster-than-expected front tire wear.
- Drivers using lower-profile sizes (e.g., 45-series) frequently noted a harsher, less comfortable ride quality.
- Some owners of compact cars noted that the tire's stiff sidewall contributed to a 'nervous' or 'twitchy' handling feel on certain road surfaces.
The Hankook Optimo K406 receives a mixed reception, primarily serving as an original equipment tire that polarizes users based on their expectations of longevity and comfort. While some drivers report impressive mileage and reliable dry-weather handling, others express significant frustration regarding premature tread wear, sidewall durability, and elevated road noise.
Pros
- Reliable dry-weather grip and handling performance
- Competitive value proposition as an entry-level or OE option
- Potential for high mileage in specific, low-stress driving conditions
Cons
- Inconsistent tread life with reports of premature wear
- Noticeable road noise during highway driving
- Susceptibility to sidewall bubbles and structural damage
- Lack of confidence in wet or icy conditions
Observations
- Users driving heavier vehicles noted that the tires are subjected to significant stress, impacting overall longevity.
- Drivers with stiffer suspension setups reported good cornering capabilities but experienced accelerated wear and sidewall issues.
Specifications
Specs side by side
| Attribute | A · Bridgestone Turanza ER300 | B · Hankook Optimo K406 |
|---|---|---|
| Category | Summer Premium Touring tires | Summer Touring tires |
| Vehicle type | Passenger Car / Crossover | Passenger Car / Crossover |
Final verdict
Which one should you actually buy?
76
/ 100
Bridgestone
74
/ 100
Hankook
Winner: Bridgestone Turanza ER300 — better treadwear, handling and comfort. Pick the Hankook Optimo K406 if dry and wet matter most to you.
Pick tire A
You want the longest tread life
Bridgestone Turanza ER300 scores 78 vs 66 on treadwear.
Pick tire A
You enjoy sharp, responsive handling
Bridgestone Turanza ER300 scores 73 vs 61 on handling.
Pick tire B
You want the most grip on dry roads
Hankook Optimo K406 scores 90 vs 83 on dry.
Pick tire B
Your priority is wet-weather safety
Hankook Optimo K406 scores 83 vs 76 on wet.
Tire A · Bridgestone Turanza ER300
Tire B · Hankook Optimo K406
More comparisons
Also compared with
Bridgestone Turanza ER300 also compared with
Hankook Optimo K406 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.