Tests 80 · 28 tests Owners 63 · 724 reviews
Best test result: #1 of 52 in 2025 Summer Tyre Test Shootout (dry braking)
“Replacement tires. Bridgestone Potenza Sport. 8k miles. Fronts/Rears. WTF Bridgestone? Or is it me? No burnouts!”
Head-to-head
Updated
Bridgestone Potenza Sport vs Michelin Primacy 4+ — 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 28 + 10 road tests and 724 + 39 owner reviews. How we score
Primacy 4+ is ahead, 78–73
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Tests 85 · 10 tests Owners 70 · 39 reviews
Best test result: #1 of 16 in 2024 ADAC Summer Tyre Test (abrasion)
Category by category
Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.
-
88
Dry
Potenza Sport +1078Why this score
Source Potenza Sport Primacy 4+ Professional tests (TWG score) · 27 / 9 tests 96 82 Reviews found online 75 71 Dry Braking (% of best) · 1 shared test · wins 1–0 98% 97% Dry Handling (% of best) · 1 shared test · wins 1–0 100% 100% Potenza Sport: 60% × 96 + 40% × 74.8 = 88
Primacy 4+: 60% × 82.3 + 40% × 70.5 = 78
-
86
Wet
Potenza Sport +779Why this score
Source Potenza Sport Primacy 4+ Professional tests (TWG score) · 27 / 9 tests 95 83 Reviews found online 73 74 Curved Aquaplaning (% of best) · 1 shared test · wins 0–1 93% 95% Straight Aquaplaning (% of best) · 1 shared test · wins 1–0 99% 98% Wet Braking (% of best) · 1 shared test · wins 1–0 99% 94% Wet Handling (% of best) · 1 shared test · wins 1–0 100% 99% Potenza Sport: 60% × 95.4 + 40% × 72.6 = 86
Primacy 4+: 60% × 82.6 + 40% × 73.8 = 79
-
59
Comfort
Primacy 4+ +1271Why this score
Source Potenza Sport Primacy 4+ Professional tests (TWG score) · 4 / 1 tests 55 73 Reviews found online 62 69 Potenza Sport: 40% × 54.7 + 60% × 61.9 = 59
Primacy 4+: 40% × 73.3 + 60% × 69 = 71
-
43
Noise
Primacy 4+ +3073Why this score
Source Potenza Sport Primacy 4+ Professional tests (TWG score) · 23 / 7 tests 30 77 Reviews found online 63 ≈ 67 (est.) Noise (% of best) · 1 shared test · wins 0–1 97% 99% Potenza Sport: 60% × 30 + 40% × 63.3 = 43
Primacy 4+: 60% × 76.7 + 40% × 66.6 (est.) = 73
No owner ratings of noise for Primacy 4+. The owner half is the owners’ average (67): owners’ noise ratings barely follow the road tests, so the tests say nothing about how owners would rate it.
-
59
Treadwear
Primacy 4+ +2685Why this score
Source Potenza Sport Primacy 4+ Professional tests (TWG score) · 4 / 4 tests 71 95 Reviews found online 40 69 Potenza Sport: 60% × 71.4 + 40% × 39.5 = 59
Primacy 4+: 60% × 95.3 + 40% × 68.9 = 85
-
74
Handling (owners)
Potenza Sport +965Why this score
Source Potenza Sport Primacy 4+ Reviews found online 74 65 -
12
Efficiency
Primacy 4+ +6678Why this score
Source Potenza Sport Primacy 4+ Professional tests (TWG score) · 26 / 8 tests 12 78 Rolling Resistance (% of best) · 1 shared test · wins 1–0 100% 91%
Scores at a glance
| Category | Bridgestone Potenza Sport | Michelin Primacy 4+ |
|---|---|---|
| Relative Score | 73 | 78 |
| Dry | 88 | 78 |
| Wet | 86 | 79 |
| Comfort | 59 | 71 |
| Noise | 43 | 73 |
| Treadwear | 59 | 85 |
| Handling (owners) | 74 | 65 |
| Efficiency | 12 | 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 and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
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Recomputed
Headline score
73
/ 100
Potenza Sport
78
/ 100
Primacy 4+
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.
In the overall rankings of 1 tests that ran both, Bridgestone Potenza Sport finished ahead 1 times and Michelin Primacy 4+ 0 times.
| Discipline | Category | Potenza Sport | Primacy 4+ | Δ | Head-to-head |
|---|---|---|---|---|---|
| Dry Braking | Dry | 98% | 97% | +1.0 | 1–0 in 1 shared test Newest: 2024 Motorhome Summer Tyre Test · 225/55 R17 |
| Dry Handling | Dry | 100% | 100% | +0.1 | 1–0 in 1 shared test Newest: 2024 Motorhome Summer Tyre Test · 225/55 R17 |
| Dry Handling (tester's mark) | Dry | 97% #4/7 · Top Tire Review 2026 UHP Tyre Test: Big Brands vs Challengers | 92% #5/6 · 2024 ACE/ARBÖ/GTÜ Summer Tire Test R17 | – | Different tests |
| Curved Aquaplaning | Wet | 93% | 95% | −2.2 | 0–1 in 1 shared test Newest: 2024 Motorhome Summer Tyre Test · 225/55 R17 |
| Straight Aquaplaning | Wet | 99% | 98% | +0.6 | 1–0 in 1 shared test Newest: 2024 Motorhome Summer Tyre Test · 225/55 R17 |
| Wet Braking | Wet | 99% | 94% | +4.9 | 1–0 in 1 shared test Newest: 2024 Motorhome Summer Tyre Test · 225/55 R17 |
| Wet Braking (concrete) | Wet | 99% #2/18 · 2025 ADAC Summer Tyre Test | 86% #5/16 · 2024 ADAC Summer Tyre Test | – | Different tests |
| Wet Circle | Wet | 100% #1/10 · 2025 AZ Summer Tyre Test | 97% #7/8 · 2025 EV Tyre Test | – | Different tests |
| Wet Handling | Wet | 100% | 99% | +1.3 | 1–0 in 1 shared test Newest: 2024 Motorhome Summer Tyre Test · 225/55 R17 |
| Wet Handling (tester's mark) | Wet | 99% #2/7 · Top Tire Review 2026 UHP Tyre Test: Big Brands vs Challengers | 88% #2/6 · 2024 ACE/ARBÖ/GTÜ Summer Tire Test R17 | – | Different tests |
| Comfort (tester's mark) | Comfort | 90% #7/7 · Top Tire Review 2026 UHP Tyre Test: Big Brands vs Challengers | 88% #2/8 · 2025 EV Tyre Test | – | Different tests |
| Exterior Noise | Noise | 96% #6/7 · 2024 Autobild Sportscars Summer TIre Test R20 | 83% #4/6 · 2024 ACE/ARBÖ/GTÜ Summer Tire Test R17 | – | Different tests |
| Noise | Noise | 97% | 99% | −2.1 | 0–1 in 1 shared test Newest: 2024 Motorhome Summer Tyre Test · 225/55 R17 |
| Abrasion | Treadwear | 69% #5/18 · 2025 ADAC Summer Tyre Test | 100% #1/16 · 2024 ADAC Summer Tyre Test | – | Different tests |
| Wear | Treadwear | 68% #4/18 · 2025 ADAC Summer Tyre Test | 92% #2/8 · 2025 EV Tyre Test | – | Different tests |
| Fuel Consumption | Efficiency | 91% #18/18 · 2025 ADAC Summer Tyre Test | 98% #6/16 · 2024 ADAC Summer Tyre Test | – | Different tests |
| Rolling Resistance | Efficiency | 100% | 91% | +8.6 | 1–0 in 1 shared test Newest: 2024 Motorhome Summer Tyre Test · 225/55 R17 |
| Also published by the testers (not in the score) | |||||
| Price | Cost | 61% #12/13 · 2023 AutoBild Sports Car Summer Tyre Test | 52% #16/16 · 2024 ADAC Summer Tyre Test | – | Different tests |
| Total Cost of Ownership | Cost | #10/10 2025 AZ Summer Tyre Test | #5/8 2025 EV Tyre Test | – | Different tests |
| Value | Cost | 43% #8/18 · 2025 ADAC Summer Tyre Test | 67% #8/8 · 2025 EV Tyre Test | – | Different tests |
| Overall Ranking | Overall | #1/10 | #4/10 | – | 1–0 in 1 shared test Newest: 2024 Motorhome Summer Tyre Test · 225/55 R17 |
Pros, cons & observations
Themes extracted from owner reviews found online — not the opinion of TireWheelGuide.
Tire A Potenza Sport
Pros
- Outstanding dry and wet grip
- Precise, telepathic steering response and feedback
- Excellent braking performance
Cons
- Fast tread wear and short lifespan
- High road noise
- Firm, sometimes harsh ride quality over bumps
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
What real owners are saying
From Reddit, forums and review threads. Not part of our score
Tire A
Mixed
Bridgestone Potenza Sport
The community praises the Bridgestone Potenza Sport for its exceptional dry and wet grip, sharp steering response, and value pricing compared to competitors. However, users frequently highlight drawbacks such as fast tread wear and poor durability when used for track days, along with some complaints regarding lower fuel economy and narrower physical dimensions.
r/TyreReviews
·61 upvotes ·2026-04-09
“Bridgestone Potenza Sport Evo - quick initial review - 250 miles Very early impression on this newly released update, used as a track tyre on my modded MX-5 done about 50 laps at Bedford Autodrome GT layout, 8-15C air temp, as well as to and from the track. Fun track tyres, great handling feedback and direct steering feel, plenty of grip when push and stable through corner. Confident under heavy braking. Track performance much improved overall compared to the PS4 previously which was quite snappy at limit. Not driven in the wet yet so cannot comment on wet performance. Not driven enough to comment on wear but seems decent after 50 laps/250 miles Road noise is louder, and side wall is stiffer compared to PS4, maybe by ~10%. Would recommend, especially if you can get them on a deal. I paid £330 for 4 corners fitted. Size was 225/45/17. The side wall is quite pretty too if you care for this. Read more”
rennlist.com
“Due to rain later in the week I’ve only been able to put ~50 miles on them. Other tires I’ve run are the Bridgestone S02 and S03. I preferred the S02’s over the S03. PS4’s, PS Cup’s and Hankook V12’s. And Hoosier R6 at track. So far, the New Potenza Sports are outstanding. Low road noise, fantastic dry traction, turn in and braking. No wet experience yet, and hopefully never as I don’t typically drive this car in the rain. I’m going to play around with tire pressure, so if anyone has any recommendations for 997 C2 I’d love to hear.”
forum.miata.net
“I used 2 sets of 4 Potenza Sport on my daily in 225/45r17, excellent tires I don't think it can be beaten in terms of feeling (the Sport Contact 7 seems very good too but not tested), rigid sidewalls, progressive, very very easy to drive, fast even in the wet. Yes very soft rubber not for track but on the other hand in the wet close to 0°C it's incredible, much better than mid-range 4 seasons. On the rear axle (FWD daily) I did several winters with snowy days and -5/-10°C, the following year and even worn to 100% there is only aquaplaning that it can fear (be careful I didn't say it was good on snow lol, with its continuous rubber bands it's a disaster.).”
Top themes
#Steering response and feel#Dry and wet grip#Tread wear and longevity#Track performance limitations#Price and value
Based on 93 community posts
Tire B
Michelin Primacy 4+
We haven't collected enough community discussion about this tire yet.
Specs side by side
| Attribute | A · Bridgestone Potenza Sport | B · Michelin Primacy 4+ |
|---|---|---|
| Category | Summer | Summer |
| Vehicle type | Passenger Car / Crossover | Passenger Car / Crossover |
| Sizes available | 128 | 66 |
| Rim diameters | 16″ – 24″ | 16″ – 21″ |
| Tread depth | 7 - 10/32″ | — |
| UTQG | 200 - 320 A - AA A | — |
| Sidewall | Black Side Wall - Raised Black Lettering | — |
| Max pressure | 50 - 51 psi | — |
| Sizes in common | 22 | 22 |
Which one should you actually buy?
73
/ 100
Bridgestone Potenza Sport
78
/ 100
Michelin Primacy 4+
Winner: Michelin Primacy 4+ — better efficiency, noise and treadwear. Pick the Bridgestone Potenza Sport if dry, handling and wet matter most to you.
Pick tire B
You want lower fuel or energy use
Michelin Primacy 4+ scores 78 vs 12 on efficiency.
Pick tire B
You want a quieter cabin
Michelin Primacy 4+ scores 73 vs 43 on noise.
Pick tire B
You want the longest tread life
Michelin Primacy 4+ scores 85 vs 59 on treadwear.
Pick tire B
You want the most comfortable ride
Michelin Primacy 4+ scores 71 vs 59 on comfort.
Tire A · Bridgestone Potenza Sport
Tire B · Michelin Primacy 4+
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Potenza Sport or Primacy 4+?
Which is better in the wet, Potenza Sport or Primacy 4+?
Bridgestone Potenza Sport, 86 vs 79 on our wet score.
Which grips better on dry roads, Potenza Sport or Primacy 4+?
Bridgestone Potenza Sport, 88 vs 78 on our dry score.
Which is quieter, Potenza Sport or Primacy 4+?
Michelin Primacy 4+, 73 vs 43 on our noise score.
Which is more comfortable, Potenza Sport or Primacy 4+?
Michelin Primacy 4+, 71 vs 59 on our comfort score.
Which lasts longer, Potenza Sport or Primacy 4+?
Michelin Primacy 4+, 85 vs 59 on our treadwear score.
Which rolls more easily, Potenza Sport or Primacy 4+?
Michelin Primacy 4+, 78 vs 12 on our efficiency score.
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