71
/ 100
Objective (60%)
63/100
1 professional test
User signal (40%)
76/100
5 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated September 2026
Kumho Solus HS51 Harmony Sports vs Yokohama BluEarth Es ES32 — 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
80
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
81/100
57 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Yokohama BluEarth Es ES32 — better comfort, handling and dry. Pick the Kumho Solus HS51 Harmony Sports if wet and treadwear 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)
BluEarth Es ES32 leads by 11
Why this score
| Source | Solus HS51 Harmony Sports | BluEarth Es ES32 |
|---|---|---|
| Professional tests (TWG score) | 63 | – |
| Tyre Reviews owners | 85 | 83 |
Wet
Score (0–100)
Solus HS51 Harmony Sports leads by 8
Why this score
| Source | Solus HS51 Harmony Sports | BluEarth Es ES32 |
|---|---|---|
| Professional tests (TWG score) | 90 | – |
| Tyre Reviews owners | 80 | 78 |
Comfort
Score (0–100)
BluEarth Es ES32 leads by 49
Why this score
| Source | Solus HS51 Harmony Sports | BluEarth Es ES32 |
|---|---|---|
| Professional tests (TWG score) | 1 | – |
| Tyre Reviews owners | 90 | 86 |
Treadwear
Score (0–100)
Solus HS51 Harmony Sports leads by 5
Why this score
| Source | Solus HS51 Harmony Sports | BluEarth Es ES32 |
|---|---|---|
| Tyre Reviews owners | 80 | 75 |
Handling
Score (0–100)
BluEarth Es ES32 leads by 16
Why this score
| Source | Solus HS51 Harmony Sports | BluEarth Es ES32 |
|---|---|---|
| Tyre Reviews owners | 65 | 81 |
Scores at a glance
| Category | Kumho Solus HS51 Harmony Sports | Yokohama BluEarth Es ES32 |
|---|---|---|
| Relative Score | 71 | 80 |
| Dry | 72 | 83 |
| Wet | 86 | 78 |
| Comfort | 37 | 86 |
| Treadwear | 80 | 75 |
| Handling | 65 | 81 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
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Recomputed
Headline score
71
/ 100
Tire A
80
/ 100
Tire B
From owners
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Kumho Solus HS51 Harmony Sports presents a polarizing experience, often praised for its comfort and value in general driving, yet criticized for significant handling instability in specific applications. While some users find them to be a superb mid-range upgrade, others report a disconcerting 'jelly-like' sidewall flex that severely compromises steering precision and dry grip.
Pros
- High level of ride comfort and low noise levels
- Excellent value for money compared to premium brands
- Strong wet weather performance
- Improved handling characteristics for van applications
Cons
- Excessive sidewall softness leading to a 'wobbling' or unstable sensation
- Noticeable decline in grip levels before the tread is fully worn
- Inconsistent handling performance depending on axle placement
- Limited durability under spirited driving conditions
Observations
- Lightweight vehicles, such as the Mazda MX-5, appear particularly sensitive to the tire's soft sidewall, resulting in reported handling instability.
- Users noted that the tire's performance characteristics are highly dependent on axle placement, with some experiencing 'dead' steering or lurching depending on front versus rear fitment.
- The tire is reported to perform well in van applications, specifically benefiting from higher load and speed ratings compared to competitors.
The Yokohama BluEarth Es ES32 is widely regarded as a high-value, comfort-oriented tire that excels in daily driving scenarios. While most users praise its quiet operation, smooth ride quality, and reliable dry-weather grip, consensus on wet-weather performance and tread longevity is mixed, with some users reporting significant performance degradation as the tire wears.
Pros
- Exceptional ride comfort and noise reduction
- Strong value proposition compared to premium brands
- Reliable dry-weather traction and handling
- Noticeable improvement in fuel efficiency for many users
Cons
- Wet-weather grip can become unpredictable as tread depth decreases
- Inconsistent tread life, with some users reporting premature wear
- Sidewalls may be susceptible to damage from severe potholes
- Not intended for high-performance or aggressive driving
Observations
- Users of compact hatchbacks and city cars (e.g., Honda Jazz, Fiat 500) report high satisfaction with comfort and noise levels.
- Drivers of heavier vehicles or those with high-torque engines occasionally report faster-than-expected front-tire wear.
- Some users noted that the tire requires a 'break-in' period of several hundred miles before reaching optimal performance.
Specifications
Specs side by side
| Attribute | A · Kumho Solus HS51 Harmony Sports | B · Yokohama BluEarth Es ES32 |
|---|---|---|
| Category | Summer Premium Touring tires | Summer Premium Touring tires |
| Vehicle type | Passenger Car / Crossover | Passenger Car / Crossover |
Final verdict
Which one should you actually buy?
71
/ 100
Kumho
80
/ 100
Yokohama
Winner: Yokohama BluEarth Es ES32 — better comfort, handling and dry. Pick the Kumho Solus HS51 Harmony Sports if wet and treadwear matter most to you.
Pick tire B
You want the most comfortable ride
Yokohama BluEarth Es ES32 scores 86 vs 37 on comfort.
Pick tire B
You enjoy sharp, responsive handling
Yokohama BluEarth Es ES32 scores 81 vs 65 on handling.
Pick tire B
You want the most grip on dry roads
Yokohama BluEarth Es ES32 scores 83 vs 72 on dry.
Pick tire A
Your priority is wet-weather safety
Kumho Solus HS51 Harmony Sports scores 86 vs 78 on wet.
Tire A · Kumho Solus HS51 Harmony Sports
Tire B · Yokohama BluEarth Es ES32
More comparisons
Also compared with
Kumho Solus HS51 Harmony Sports also compared with
Yokohama BluEarth Es ES32 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.