Tests – · 1 test Owners 67 · 15 reviews
Head-to-head
Updated
Nexen N'Fera AU7 vs Pirelli P Zero PZ4 Run Flat — 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 15 + 0 owner reviews. How we score
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Tests – · none yet Owners – · none yet
Category by category
Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.
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69
Dry
No comparison–Why this score
Source N'Fera AU7 P Zero PZ4 Run Flat Professional tests (TWG score) ≈ 69 (est.) – Reviews found online 70 – N'Fera AU7: 60% × 68.8 (est.) + 40% × 69.7 = 69
No road tests of dry for N'Fera AU7. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.42).
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72
Wet
No comparison–Why this score
Source N'Fera AU7 P Zero PZ4 Run Flat Professional tests (TWG score) ≈ 72 (est.) – Reviews found online 72 – N'Fera AU7: 60% × 71.6 (est.) + 40% × 72.3 = 72
No road tests of wet for N'Fera AU7. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.55).
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65
Snow
No comparison–Why this score
Source N'Fera AU7 P Zero PZ4 Run Flat Professional tests (TWG score) ≈ 67 (est.) – Reviews found online 61 – N'Fera AU7: 60% × 67.2 (est.) + 40% × 61.3 = 65
No road tests of snow for N'Fera AU7. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.37).
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68
Comfort
No comparison–Why this score
Source N'Fera AU7 P Zero PZ4 Run Flat Professional tests (TWG score) ≈ 69 (est.) – Reviews found online 67 – N'Fera AU7: 40% × 68.7 (est.) + 60% × 66.9 = 68
No road tests of comfort for N'Fera AU7. The test half is the tested tires’ average (69): owners’ comfort ratings barely follow the road tests.
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66
Noise
No comparison–Why this score
Source N'Fera AU7 P Zero PZ4 Run Flat Professional tests (TWG score) ≈ 67 (est.) – Reviews found online 65 – N'Fera AU7: 60% × 66.6 (est.) + 40% × 65.1 = 66
No road tests of noise for N'Fera AU7. The test half is the tested tires’ average (67): owners’ noise ratings barely follow the road tests.
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62
Treadwear
No comparison–Why this score
Source N'Fera AU7 P Zero PZ4 Run Flat Professional tests (TWG score) · 1 / – tests 62 – Reviews found online 62 – N'Fera AU7: 60% × 62.4 + 40% × 62.2 = 62
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69
Handling (owners)
No comparison–Why this score
Source N'Fera AU7 P Zero PZ4 Run Flat Reviews found online 69 –
Scores at a glance
| Category | Nexen N'Fera AU7 | Pirelli P Zero PZ4 Run Flat |
|---|---|---|
| Relative Score | 68 | – |
| Dry | 69 | – |
| Wet | 72 | – |
| Snow | 65 | – |
| Comfort | 68 | – |
| Noise | 66 | – |
| Treadwear | 62 | – |
| Handling (owners) | 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 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
Less important
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost
Neutral
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost
Recomputed
Headline score
68
/ 100
N'Fera AU7
–
/ 100
P Zero PZ4 Run Flat
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 N'Fera AU7
Pros
- Exceptional value for the price point
- Quiet and comfortable ride quality
- Strong wet, dry, and light snow traction
Cons
- Potential for premature wear or cupping reported by some users
- Prone to wandering or tracking poorly on metal bridge gratings
- Softer compounds may be susceptible to quicker aging in harsh climates
Tire B P Zero PZ4 Run Flat
Not enough owner reviews yet to extract themes.
Specs side by side
| Attribute | A · Nexen N'Fera AU7 | B · Pirelli P Zero PZ4 Run Flat |
|---|---|---|
| Category | All-Season Premium Touring tires | Summer tire |
| Vehicle type | Passenger Car / Crossover | — |
| Sizes available | 49 | — |
| Rim diameters | 16″ – 20″ | — |
| Tread depth | 9/32″ | — |
| UTQG | 500 A A | — |
| Treadwear warranty | 50,000 mi | — |
| Sidewall | Blackwall | — |
| Max pressure | 50 psi | — |
Which one should you actually buy?
68
/ 100
Nexen N'Fera AU7
–
/ 100
Pirelli P Zero PZ4 Run Flat
Only Nexen N'Fera AU7 has enough test and review data for a Relative Score, so there is no head-to-head winner yet.
Tire A · Nexen N'Fera AU7
Tire B · Pirelli P Zero PZ4 Run Flat
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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