Tests 68 · 1 test Owners 67 · 5 reviews
Best test result: #1 of 10 in 2020 Teknikens 17 Inch Summer Tyre Test (straight aquaplaning)
Kumho Solus HS51 Harmony Sports looks discontinued: no new owner reviews or road tests in five years and no current EU tyre label.
Head-to-head
Updated
Kumho Solus HS51 Harmony Sports vs Michelin Pilot Sport All Season 4 — Compared
Relative Score (0–100): the weighted average of the categories below, each 60% road tests and 40% owner reviews. Based on 1 + 3 road tests and 5 + 4,983 owner reviews. How we score
Pilot Sport All Season 4 is ahead, 78–67
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Tests 77 · 3 tests Owners 77 · 4,983 reviews
Best test result: #1 of 9 in 2024 Tire Rack UHP All Season Tyre Test (snow braking)
“I just switched from the Pilot Sport All Season 4 to the Continental DWS 06 Plus, and the contis are WAY quieter and ride so much smoother than the Michelins. Hopefully they'll last longer too, the Michelins only lasted me about 28k~ miles despite regularly rotating them.”
Category by category
Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.
-
66
Dry
Pilot Sport All Season 4 +1581Why this score
Source Solus HS51 Harmony Sports Pilot Sport All Season 4 Professional tests (TWG score) · 1 / 3 tests 65 78 Reviews found online 66 85 Solus HS51 Harmony Sports: 60% × 65.4 + 40% × 65.8 = 66
Pilot Sport All Season 4: 60% × 78.2 + 40% × 84.9 = 81
-
73
Wet
Pilot Sport All Season 4 +982Why this score
Source Solus HS51 Harmony Sports Pilot Sport All Season 4 Professional tests (TWG score) · 1 / 3 tests 75 81 Reviews found online 70 85 Solus HS51 Harmony Sports: 60% × 75.3 + 40% × 70.4 = 73
Pilot Sport All Season 4: 60% × 80.7 + 40% × 85 = 82
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–
Snow
No comparison76Why this score
Source Solus HS51 Harmony Sports Pilot Sport All Season 4 Professional tests (TWG score) · – / 1 tests – 84 Reviews found online – 63 Pilot Sport All Season 4: 60% × 83.8 + 40% × 63.3 = 76
-
59
Comfort
Pilot Sport All Season 4 +1372Why this score
Source Solus HS51 Harmony Sports Pilot Sport All Season 4 Professional tests (TWG score) · 1 / 3 tests 51 69 Reviews found online 71 76 Solus HS51 Harmony Sports: 60% × 51 + 40% × 70.7 = 59
Pilot Sport All Season 4: 60% × 68.8 + 40% × 75.9 = 72
-
–
Noise
No comparison64Why this score
Source Solus HS51 Harmony Sports Pilot Sport All Season 4 Professional tests (TWG score) · – / 3 tests – 55 Reviews found online – 77 Pilot Sport All Season 4: 60% × 55.2 + 40% × 76.6 = 64
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66
Treadwear
Pilot Sport All Season 4 +268Why this score
Source Solus HS51 Harmony Sports Pilot Sport All Season 4 Professional tests (TWG score) ≈ 66 (est.) ≈ 67 (est.) Reviews found online 66 70 Solus HS51 Harmony Sports: 60% × 65.7 (est.) + 40% × 65.9 = 66
Pilot Sport All Season 4: 60% × 67.1 (est.) + 40% × 70.3 = 68
No road tests of treadwear for Solus HS51 Harmony Sports. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.31).
No road tests of treadwear for Pilot Sport All Season 4. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.31).
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61
Handling (owners)
Pilot Sport All Season 4 +1879Why this score
Source Solus HS51 Harmony Sports Pilot Sport All Season 4 Reviews found online 61 79
Scores at a glance
| Category | Kumho Solus HS51 Harmony Sports | Michelin Pilot Sport All Season 4 |
|---|---|---|
| Relative Score | 67 | 78 |
| Dry | 66 | 81 |
| Wet | 73 | 82 |
| Snow | – | 76 |
| Comfort | 59 | 72 |
| Noise | – | 64 |
| Treadwear | 66 | 68 |
| Handling (owners) | 61 | 79 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Weight the categories that matter to you
Wet grip starts at “Important”. Treadwear starts at “Neutral” here: road tests measured it for at most one of the two tires, so it rests on owner reviews. Move the sliders and the scores update instantly.
Important
NotLessNeutralImportantMost
Important
NotLessNeutralImportantMost
Neutral
NotLessNeutralImportantMost
Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.
Less important
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost
Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.
Neutral
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost
Recomputed
Headline score
67
/ 100
Solus HS51 Harmony Sports
78
/ 100
Pilot Sport All Season 4
Only categories both tires have data for count toward the headline score.
The professional test results behind the scores
Per discipline: the average % of the best tire over every test both tires were in, and how many of those tests each one won. “Different tests” rows compare results from separate tests.
| Discipline | Category | Solus HS51 Harmony Sports | Pilot Sport All Season 4 | Δ | Head-to-head |
|---|---|---|---|---|---|
| Dry Braking | Dry | 91% #9/10 · 2020 Teknikens 17 Inch Summer Tyre Test | 100% #1/5 · 2025 AutoView Ultra High Performance All-Season Tyre Test | – | Different tests |
| Wet Braking | Wet | 95% #5/10 · 2020 Teknikens 17 Inch Summer Tyre Test | 100% #1/5 · 2025 AutoView Ultra High Performance All-Season Tyre Test | – | Different tests |
| Wet Handling | Wet | 99% #4/10 · 2020 Teknikens 17 Inch Summer Tyre Test | 98% #5/9 · 2024 Tire Rack UHP All Season Tyre Test | – | Different tests |
| Comfort (tester's mark) | Comfort | 20% #9/10 · 2020 Teknikens 17 Inch Summer Tyre Test | 100% #1/5 · 2025 AutoView Ultra High Performance All-Season Tyre Test | – | Different tests |
| Also published by the testers (not in the score) | |||||
| Overall Ranking | Overall | #7/10 2020 Teknikens 17 Inch Summer Tyre Test | #2/5 2025 AutoView Ultra High Performance All-Season Tyre Test | – | Different tests |
Pros, cons & observations
Themes extracted from owner reviews found online — not the opinion of TireWheelGuide.
Tire A Solus HS51 Harmony Sports
Pros
- High level of ride comfort and low noise levels
- Excellent value for money compared to premium brands
- Strong wet weather performance
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
Tire B Pilot Sport All Season 4
Pros
- Exceptional wet and dry grip with strong hydroplaning resistance
- Precise steering response and sporty handling feel
- Noticeable improvement in ride comfort and composure over OEM run-flats
Cons
- Faster-than-advertised treadwear, particularly on performance vehicles or staggered setups
- Elevated road noise or humming/roaring sounds at highway speeds
- Premium price point ('Michelin Tax')
What real owners are saying
From Reddit, forums and review threads. Not part of our score
Tire A
Kumho Solus HS51 Harmony Sports
We haven't collected enough community discussion about this tire yet.
Tire B
Positive
Michelin Pilot Sport All Season 4
Community sentiment for the Michelin Pilot Sport All Season 4 is predominantly positive, with drivers praising its dry and wet grip, responsive handling, and substantial upgrade over stock tires. However, several users report drawbacks including mediocre deep snow performance, noticeable road noise or ride stiffness compared to competitors like the Continental DWS 06 Plus, and an efficiency or range penalty on electric vehicles.
integraforums.com
·1 upvote ·2024-02-25
“I have 265 35 19's AS4's on my ITS and they have been awesome... not as sticky as the stock tires but thats to be expected. I like the feel when hitting bumps etc with them more because with the bigger sidewall of the tire i dont worry as much about damaging a wheel. I've had them on the dragon multiple times this winter and have done fine. No rubbing at all or any issues. at highway speeds (70-80) speedo is off about 4 mph. I have almost 3k on the tires now.”
teslamotorsclub.com
·5 upvotes ·2023-04-18
“I just switched from the Pilot Sport All Season 4 to the Continental DWS 06 Plus, and the contis are WAY quieter and ride so much smoother than the Michelins. Hopefully they'll last longer too, the Michelins only lasted me about 28k~ miles despite regularly rotating them.”
mustang6g.com
·2024-12-10
“I just changed back to the AS4’s for the winter from the wide PS4S’s. Almost felt guilty with the cushy comfortable ride. Did my usual off-ramps at about 50 degrees and there is definitely a difference in cornering limits! As4’s are fun but I’m ready for the PS4S’s to go back on in March. Definitely felt a performance decrease going back to factory wheels. The SVE MHP1 wheels are between 8 and 9 lbs lighter. Highly recommend the MHP1’s.”
Top themes
#wet and dry grip#winter and snow capability#EV efficiency and range#Continental DWS06 Plus comparison#CrossClimate 2 comparison#road noise and ride comfort#tread life and wear
Based on 241 community posts
Specs side by side
| Attribute | A · Kumho Solus HS51 Harmony Sports | B · Michelin Pilot Sport All Season 4 |
|---|---|---|
| Category | Summer | All Season |
| Vehicle type | Passenger Car / Crossover | Passenger Car / Crossover |
| Sizes available | — | 3 |
| Rim diameters | — | 20″ |
| Tread depth | — | 9 - 10/32″ |
| UTQG | — | 440 - 540 A - AA A |
| Sidewall | — | Black Side Wall |
| Max pressure | — | 50 - 51 psi |
Which one should you actually buy?
67
/ 100
Kumho Solus HS51 Harmony Sports
78
/ 100
Michelin Pilot Sport All Season 4
Winner: Michelin Pilot Sport All Season 4 — better handling, dry and comfort. It leads or ties in every category we score. Kumho Solus HS51 Harmony Sports rests on little evidence so far (1 test, 5 reviews), so read this result as provisional.
Pick tire B
You enjoy sharp, responsive handling
Michelin Pilot Sport All Season 4 scores 79 vs 61 on handling.
Pick tire B
You want the most grip on dry roads
Michelin Pilot Sport All Season 4 scores 81 vs 66 on dry.
Pick tire B
You want the most comfortable ride
Michelin Pilot Sport All Season 4 scores 72 vs 59 on comfort.
Pick tire B
Your priority is wet-weather safety
Michelin Pilot Sport All Season 4 scores 82 vs 73 on wet.
Tire A · Kumho Solus HS51 Harmony Sports
Tire B · Michelin Pilot Sport All Season 4
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Solus HS51 Harmony Sports or Pilot Sport All Season 4?
Which is better in the wet, Solus HS51 Harmony Sports or Pilot Sport All Season 4?
Michelin Pilot Sport All Season 4, 82 vs 73 on our wet score.
Which grips better on dry roads, Solus HS51 Harmony Sports or Pilot Sport All Season 4?
Michelin Pilot Sport All Season 4, 81 vs 66 on our dry score.
Which is more comfortable, Solus HS51 Harmony Sports or Pilot Sport All Season 4?
Michelin Pilot Sport All Season 4, 72 vs 59 on our comfort score.
Which lasts longer, Solus HS51 Harmony Sports or Pilot Sport All Season 4?
Neither, by our numbers: 66 vs 68 on the treadwear score, within 3 points.
How do we compare tires?
Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements), each result compared with every other tire in the same test and newer tests counting more. 40% comes from owner reviews found online, adjusted for how generously each site rates. Both use one scale: the average tested tire gets 70, the best 100. When a tire has only one of the two, the missing half is estimated from the other and the score stays closer to average; with no road test and fewer than five owner reviews it gets no score yet.
Handling is the exception: road tests measure it inside the dry and wet scores, so its own row comes from owner ratings only and starts as less important.
Community buzz from Reddit and forums is shown for context only — it never changes the score. Full methodology