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Head-to-head Updated

Michelin Primacy 4+ vs Yokohama BluEarth S34 — Compared

Relative Score (0–100): the weighted average of the categories below, each 60% road tests and 40% owner reviews (comfort 40/60). Based on 10 + 0 road tests and 40 + 4 owner reviews. How we score

Check price on Amazon · Primacy 4+ Check price on Amazon · BluEarth S34
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Michelin Primacy 4+
Tire AMichelin

Primacy 4+

Summer

± 4

Tests 85 · 10 tests Owners 71 · 40 reviews

Best test result: #1 of 16 in 2024 ADAC Summer Tyre Test (abrasion)

Yokohama BluEarth S34
Tire BYokohama

BluEarth S34

All Season Premium Touring tires

Tests – · none yet Owners – · 4 reviews (needs 5)

Category by category

Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.

  1. 78

    Dry

    No comparison
    –
    Why this score
    SourcePrimacy 4+BluEarth S34
    Professional tests (TWG score) · 9 / – tests82–
    Reviews found online71–

    Primacy 4+: 60% × 82.4 + 40% × 71.1 = 78

  2. 79

    Wet

    No comparison
    –
    Why this score
    SourcePrimacy 4+BluEarth S34
    Professional tests (TWG score) · 9 / – tests82–
    Reviews found online75–

    Primacy 4+: 60% × 82.1 + 40% × 74.5 = 79

  3. 71

    Comfort

    No comparison
    –
    Why this score
    SourcePrimacy 4+BluEarth S34
    Professional tests (TWG score) · 1 / – tests73–
    Reviews found online69–

    Primacy 4+: 40% × 72.9 + 60% × 69.4 = 71

  4. 72

    Noise

    No comparison
    –
    Why this score
    SourcePrimacy 4+BluEarth S34
    Professional tests (TWG score) · 7 / – tests76–
    Reviews found online≈ 66 (est.)–

    Primacy 4+: 60% × 76.3 + 40% × 66.5 (est.) = 72

    No owner ratings of noise for Primacy 4+. The owner half is the owners’ average (66): owners’ noise ratings barely follow the road tests, so the tests say nothing about how owners would rate it.

  5. 85

    Treadwear

    No comparison
    –
    Why this score
    SourcePrimacy 4+BluEarth S34
    Professional tests (TWG score) · 4 / – tests95–
    Reviews found online70–

    Primacy 4+: 60% × 94.9 + 40% × 69.7 = 85

  6. 67

    Handling (owners)

    No comparison
    –
    Why this score
    SourcePrimacy 4+BluEarth S34
    Reviews found online67–
  7. 78

    Efficiency

    No comparison
    –
    Why this score
    SourcePrimacy 4+BluEarth S34
    Professional tests (TWG score) · 8 / – tests78–
Scores at a glance
CategoryMichelin Primacy 4+Yokohama BluEarth S34
Relative Score 77 –
Dry 78 –
Wet 79 –
Comfort 71 –
Noise 72 –
Treadwear 85 –
Handling (owners) 67 –
Efficiency 78 –

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
Less important
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost
Neutral
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost
Not important
NotLessNeutralImportantMost
Recomputed
Headline score
± 4

Primacy 4+

BluEarth S34

Only categories both tires have data for count toward the headline score.

Pros, cons & observations

Themes extracted from owner reviews found online — not the opinion of TireWheelGuide.

Tire A Primacy 4+

Not enough owner reviews yet to extract themes.

Tire B BluEarth S34

Pros

  • Acceptable dry traction for standard commuting
  • Low rolling resistance design

Cons

  • Poor wet weather performance and traction
  • High levels of road noise
  • Mediocre handling characteristics
All owner themes in the BluEarth S34 review

Specs side by side

Attribute A · Michelin Primacy 4+ B · Yokohama BluEarth S34
CategorySummerAll Season Premium Touring tires
Vehicle typePassenger Car / CrossoverPassenger Car / Crossover
Sizes available66—
Rim diameters16″ – 21″—

Which one should you actually buy?

Michelin Primacy 4+

Yokohama BluEarth S34

Only Michelin Primacy 4+ has enough test and review data for a Relative Score, so there is no head-to-head winner yet.

Tire A · Michelin Primacy 4+
Check price on Amazon
Tire B · Yokohama BluEarth S34
Check price on Amazon

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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