tirewheelguide
Head-to-head Updated

Falken ZIEX ZE914 EcoRun vs Michelin Primacy LC — 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 1 + 0 road tests and 631 + 12 owner reviews. How we score

Too close to call: ZIEX ZE914 EcoRun and Primacy LC are level at 67.

Check price on Amazon · ZIEX ZE914 EcoRun Check price on Amazon · Primacy LC
Add your size for an exact match
/R

Both Amazon links then search this exact size.

TireWheelGuide may earn a commission from purchases made through these links.

Falken ZIEX ZE914 EcoRun
Tire AFalken

ZIEX ZE914 EcoRun

Summer

± 8

Tests 71 · 1 test Owners 60 · 631 reviews

Best test result: #2 of 20 in 2020 Auto Zeitung Summer Tyre Test (straight aquaplaning)

Michelin Primacy LC
Tire BMichelin

Primacy LC

Summer

± 8Provisional

Tests – · none yet Owners 66 · 12 reviews

Category by category

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

  1. 66

    Dry

    Level
    66
    Why this score
    SourceZIEX ZE914 EcoRunPrimacy LC
    Professional tests (TWG score) · 1 / – tests67≈ 67 (est.)
    Reviews found online6365

    ZIEX ZE914 EcoRun: 60% × 67.5 + 40% × 63.3 = 66

    Primacy LC: 60% × 66.9 (est.) + 40% × 65.3 = 66

    No road tests of dry for Primacy LC. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.41).

  2. 72

    Wet

    ZIEX ZE914 EcoRun +2
    70
    Why this score
    SourceZIEX ZE914 EcoRunPrimacy LC
    Professional tests (TWG score) · 1 / – tests76≈ 70 (est.)
    Reviews found online6570

    ZIEX ZE914 EcoRun: 60% × 76.4 + 40% × 64.8 = 72

    Primacy LC: 60% × 70.4 (est.) + 40% × 70.1 = 70

    No road tests of wet for Primacy LC. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.55).

  3. 56

    Snow

    No comparison
    –
    Why this score
    SourceZIEX ZE914 EcoRunPrimacy LC
    Professional tests (TWG score)≈ 62 (est.)–
    Reviews found online45–

    ZIEX ZE914 EcoRun: 60% × 62.4 (est.) + 40% × 45.1 = 56

    No road tests of snow for ZIEX ZE914 EcoRun. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.32).

  4. 64

    Comfort

    Primacy LC +5
    69
    Why this score
    SourceZIEX ZE914 EcoRunPrimacy LC
    Professional tests (TWG score) · 1 / – tests72≈ 69 (est.)
    Reviews found online5970

    ZIEX ZE914 EcoRun: 40% × 72.2 + 60% × 58.6 = 64

    Primacy LC: 40% × 68.8 (est.) + 60% × 69.5 = 69

    No road tests of comfort for Primacy LC. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.20).

  5. 61

    Noise

    No comparison
    –
    Why this score
    SourceZIEX ZE914 EcoRunPrimacy LC
    Professional tests (TWG score) · 1 / – tests64–
    Reviews found online57–

    ZIEX ZE914 EcoRun: 60% × 64 + 40% × 56.8 = 61

  6. 64

    Treadwear

    ZIEX ZE914 EcoRun +1
    63
    Why this score
    SourceZIEX ZE914 EcoRunPrimacy LC
    Professional tests (TWG score)≈ 65 (est.)≈ 65 (est.)
    Reviews found online6261

    ZIEX ZE914 EcoRun: 60% × 64.8 (est.) + 40% × 61.7 = 64

    Primacy LC: 60% × 64.6 (est.) + 40% × 61.3 = 63

    No road tests of treadwear for ZIEX ZE914 EcoRun. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.36).

    No road tests of treadwear for Primacy LC. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.36).

  7. 66

    Handling (owners)

    ZIEX ZE914 EcoRun +4
    62
    Why this score
    SourceZIEX ZE914 EcoRunPrimacy LC
    Reviews found online6662
  8. 63

    Efficiency

    No comparison
    –
    Why this score
    SourceZIEX ZE914 EcoRunPrimacy LC
    Professional tests (TWG score) · 1 / – tests63–
Scores at a glance
CategoryFalken ZIEX ZE914 EcoRunMichelin Primacy LC
Relative Score 67 67
Dry 66 66
Wet 72 70
Snow 56 –
Comfort 64 69
Noise 61 –
Treadwear 64 63
Handling (owners) 66 62
Efficiency 63 –

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
Not important
NotLessNeutralImportantMost

Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.

Recomputed
Headline score
± 8

ZIEX ZE914 EcoRun

± 8

Primacy LC

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 ZIEX ZE914 EcoRun

Pros

  • Exceptional value for money compared to premium brands
  • Strong and predictable wet and dry traction
  • Stiff sidewalls providing crisp steering response and good road feedback

Cons

  • Increased road noise or droning, particularly on coarse asphalt or as the tire wears
  • Stiffer ride quality and harshness over bumps due to fortified sidewalls
  • Wet grip performance dropping noticeably as the tread wears down
All owner themes in the ZIEX ZE914 EcoRun review

Tire B Primacy LC

Pros

  • Exceptional noise suppression and quiet operation
  • High level of ride comfort and cushioning
  • Low rolling resistance contributing to improved fuel economy

Cons

  • Soft sidewalls leading to increased body roll and wobbling
  • Vulnerability to damage from potholes and road hazards
  • High price point relative to some competitors
All owner themes in the Primacy LC review

Specs side by side

Attribute A · Falken ZIEX ZE914 EcoRun B · Michelin Primacy LC
CategorySummerSummer
Vehicle typePassenger Car / CrossoverPassenger Car / Crossover
Sizes available17—
Rim diameters14″ – 18″—
Tread depth9/32″—
UTQG320 A A—
SidewallBlackwall—
Max pressure51 psi—

Which one should you actually buy?

Falken ZIEX ZE914 EcoRun

Michelin Primacy LC

Too close to call: Falken ZIEX ZE914 EcoRun and Michelin Primacy LC are within 2 points overall. Michelin Primacy LC is stronger on comfort. Michelin Primacy LC rests on little evidence so far (0 tests, 12 reviews), so read this result as provisional.

Pick tire B You want the most comfortable ride

Michelin Primacy LC scores 69 vs 64 on comfort.

Tire A · Falken ZIEX ZE914 EcoRun
Check price on Amazon
Tire B · Michelin Primacy LC
Check price on Amazon

TireWheelGuide may earn a commission from purchases made through these links.

ZIEX ZE914 EcoRun or Primacy LC?

Which is better in the wet, ZIEX ZE914 EcoRun or Primacy LC?

Neither, by our numbers: 72 vs 70 on the wet score, within 3 points.

Which grips better on dry roads, ZIEX ZE914 EcoRun or Primacy LC?

Neither, by our numbers: 66 vs 66 on the dry score, within 3 points.

Which is more comfortable, ZIEX ZE914 EcoRun or Primacy LC?

Michelin Primacy LC, 69 vs 64 on our comfort score.

Which lasts longer, ZIEX ZE914 EcoRun or Primacy LC?

Neither, by our numbers: 64 vs 63 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