Tests – · none yet Owners 48 · 25 reviews
Bridgestone Turanza ER33 vs Michelin Primacy 4+ — Compared
Relative Score (0–100): 60% professional tests, 40% owner reviews.
Primacy 4+ is ahead, 77–56
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Tests 83 · 10 tests Owners 72 · 39 reviews
Category by category
Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.
-
55
Dry
Primacy 4+ +2479Why this score
Source Turanza ER33 Primacy 4+ Professional tests (TWG score) – 82 Reviews found online 47 73 -
50
Wet
Primacy 4+ +2777Why this score
Source Turanza ER33 Primacy 4+ Professional tests (TWG score) – 79 Reviews found online 44 75 -
49
Snow
No comparison–Why this score
Source Turanza ER33 Primacy 4+ Reviews found online 34 – -
56
Comfort
Primacy 4+ +1672Why this score
Source Turanza ER33 Primacy 4+ Professional tests (TWG score) – 72 Reviews found online 43 72 -
60
Noise
Primacy 4+ +1272Why this score
Source Turanza ER33 Primacy 4+ Professional tests (TWG score) – 75 Reviews found online 50 – -
65
Treadwear
Primacy 4+ +1883Why this score
Source Turanza ER33 Primacy 4+ Professional tests (TWG score) – 91 Reviews found online 64 71 -
47
Handling
Primacy 4+ +2269Why this score
Source Turanza ER33 Primacy 4+ Reviews found online 47 69
Scores at a glance
| Category | Bridgestone Turanza ER33 | Michelin Primacy 4+ |
|---|---|---|
| Relative Score | 56 | 77 |
| Dry | 55 | 79 |
| Wet | 50 | 77 |
| Snow | 49 | – |
| Comfort | 56 | 72 |
| Noise | 60 | 72 |
| Treadwear | 65 | 83 |
| Handling | 47 | 69 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Weight the categories that matter to you
Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
Neither tire has a score here yet, so this weight changes nothing.
Turanza ER33
Primacy 4+
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 Turanza ER33
Pros
- Exceptional tread life and durability
- Reliable dry-weather grip and handling
- Stiff sidewall construction
Cons
- High levels of cabin and road noise
- Poor wet-weather performance and hydroplaning resistance
- Mediocre ride comfort and impact absorption
Tire B Primacy 4+
Pros
- Excellent ride comfort and a smooth, compliant 'limousine-like' feel over bumps
- Strong and reliable grip in both wet and dry conditions, inspiring confidence
- Noticeable improvement in quietness and traction compared to predecessor tires or factory options
Cons
- Loud road noise and a harsh drone on rough or coarse asphalt surfaces
- Soft sidewalls can reduce steering agility and initial responsiveness compared to dedicated sport tires
- High premium price point relative to competitors
Specs side by side
| Attribute | A · Bridgestone Turanza ER33 | B · Michelin Primacy 4+ |
|---|---|---|
| Category | Summer | Summer |
| Vehicle type | Passenger Car / Crossover | Passenger Car / Crossover |
| Sizes available | 5 | — |
| Rim diameters | 18″ | — |
| Tread depth | 10/32″ | — |
| UTQG | 140 A A | — |
| Sidewall | Blackwall | — |
| Max pressure | 44 psi | — |
Which one should you actually buy?
Bridgestone Turanza ER33
Michelin Primacy 4+
Winner: Michelin Primacy 4+ — better wet, dry and handling. It leads or ties in every category we score.
Michelin Primacy 4+ scores 77 vs 50 on wet.
Michelin Primacy 4+ scores 79 vs 55 on dry.
Michelin Primacy 4+ scores 69 vs 47 on handling.
Michelin Primacy 4+ scores 83 vs 65 on treadwear.
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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.
Community buzz from Reddit and forums is shown for context only — it never changes the score.