Our Relative Score blends 60% objective test data with 40% owner-review signal — so any two tires can be compared even if they were never tested on the same day.
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Prices change daily — check the retailer for your size.
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Each bar is the Relative Score for that category. Expand a tile to see the test results and owner ratings behind it.
| Source | SP31 A/S | N Fera SU1 |
|---|---|---|
| Professional tests (TWG score) | – | 75 |
| Tyre Reviews owners | – | 82 |
| SimpleTire owners | – | 93 |
| Source | SP31 A/S | N Fera SU1 |
|---|---|---|
| Professional tests (TWG score) | – | 85 |
| Tyre Reviews owners | – | 75 |
| SimpleTire owners | – | 89 |
| Source | SP31 A/S | N Fera SU1 |
|---|---|---|
| SimpleTire owners | – | 78 |
| Source | SP31 A/S | N Fera SU1 |
|---|---|---|
| Professional tests (TWG score) | – | 40 |
| Tyre Reviews owners | – | 79 |
| SimpleTire owners | – | 91 |
| Source | SP31 A/S | N Fera SU1 |
|---|---|---|
| Professional tests (TWG score) | – | 85 |
| SimpleTire owners | – | 91 |
| Source | SP31 A/S | N Fera SU1 |
|---|---|---|
| Tyre Reviews owners | – | 71 |
| SimpleTire owners | – | 87 |
| Source | SP31 A/S | N Fera SU1 |
|---|---|---|
| Tyre Reviews owners | – | 75 |
| Category | Dunlop SP31 A/S | Nexen N Fera SU1 |
|---|---|---|
| Relative Score | 47 | 75 |
| Dry | 62 | 78 |
| Wet | 51 | 81 |
| Snow | 29 | 76 |
| Comfort | 48 | 56 |
| Noise | 46 | 87 |
| Treadwear | 39 | 72 |
| Handling | 61 | 75 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
Tire A
Tire B
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
Not enough owner reviews yet to extract themes.
The Nexen N Fera SU1 is widely regarded as a high-value, mid-range summer tire that frequently punches above its weight class, often compared favorably to premium brands like Continental and Michelin. While most users praise its exceptional comfort, low noise levels, and reliable wet/dry grip, a notable segment of reviewers reports concerns regarding premature sidewall cracking and soft sidewall construction that can impact handling precision on heavier or performance-oriented vehicles.
| Attribute | A · Dunlop SP31 A/S | B · Nexen N Fera SU1 |
|---|---|---|
| Category | — | Summer Ultra High Performance tires |
| Vehicle type | — | Passenger Car / Crossover |
| Sizes available | — | 58 |
| Rim diameters | — | 16″ – 24″ |
| Tread depth | — | 9/32″ |
| UTQG | — | 300 A A |
| Treadwear warranty | — | 25,000 mi |
| Sidewall | — | Blackwall |
| Max pressure | — | 51 psi |
Dunlop
Nexen
Winner: Nexen N Fera SU1 — better snow, noise and treadwear. It leads or ties in every category we score.
Nexen N Fera SU1 scores 76 vs 29 on snow.
Nexen N Fera SU1 scores 87 vs 46 on noise.
Nexen N Fera SU1 scores 72 vs 39 on treadwear.
Nexen N Fera SU1 scores 81 vs 51 on wet.
Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements) normalized against the best tire in each test and weighted toward recent tests. 40% comes from thousands of owner reviews collected from retailers and review sites. When a tire has only one of the two, we use what exists and say so.
Community buzz from Reddit and forums is shown for context only — it never changes the score.
